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Finding the Fourth Proportional to 372,614.10, 559,007.91 and 106,378.26

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Solution

The fourth proportional to 372,614.10, 559,007.91 and 106,378.26 is: 159,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,614.10 : 559,007.91 = 106,378.26 : x
  2. Step 2: Convert to fraction form
    372,614.10/559,007.91 = 106,378.26/x
  3. Step 3: Cross multiply
    372,614.10x = 559,007.91 × 106,378.26
  4. Step 4: Simplify right side
    372,614.10x = 59,466,288,792.04
  5. Step 5: Solve for x
    x = 59,466,288,792.04/372,614.10
  6. Step 6: Final answer
    x = 159,592.16

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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.