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Finding the Fourth Proportional to 150,152,538.70, 210,667,050.50 and 150,152,538.70

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Solution

The fourth proportional to 150,152,538.70, 210,667,050.50 and 150,152,538.70 is: 210,667,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,152,538.70 : 210,667,050.50 = 150,152,538.70 : x
  2. Step 2: Convert to fraction form
    150,152,538.70/210,667,050.50 = 150,152,538.70/x
  3. Step 3: Cross multiply
    150,152,538.70x = 210,667,050.50 × 150,152,538.70
  4. Step 4: Simplify right side
    150,152,538.70x = 31,632,192,453,016,100
  5. Step 5: Solve for x
    x = 31,632,192,453,016,100/150,152,538.70
  6. Step 6: Final answer
    x = 210,667,050.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.