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Finding the Fourth Proportional to 101,349.46, 152,048.96 and 71,422.07

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Solution

The fourth proportional to 101,349.46, 152,048.96 and 71,422.07 is: 107,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,349.46 : 152,048.96 = 71,422.07 : x
  2. Step 2: Convert to fraction form
    101,349.46/152,048.96 = 71,422.07/x
  3. Step 3: Cross multiply
    101,349.46x = 152,048.96 × 71,422.07
  4. Step 4: Simplify right side
    101,349.46x = 10,859,651,464.55
  5. Step 5: Solve for x
    x = 10,859,651,464.55/101,349.46
  6. Step 6: Final answer
    x = 107,150.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.