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Finding the Fourth Proportional to 150,876.20, 210,950.20 and 150,876.20

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Solution

The fourth proportional to 150,876.20, 210,950.20 and 150,876.20 is: 210,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,876.20 : 210,950.20 = 150,876.20 : x
  2. Step 2: Convert to fraction form
    150,876.20/210,950.20 = 150,876.20/x
  3. Step 3: Cross multiply
    150,876.20x = 210,950.20 × 150,876.20
  4. Step 4: Simplify right side
    150,876.20x = 31,827,364,565.24
  5. Step 5: Solve for x
    x = 31,827,364,565.24/150,876.20
  6. Step 6: Final answer
    x = 210,950.20

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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.