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Finding the Fourth Proportional to 115,524, 159,423.60 and 62,532

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Solution

The fourth proportional to 115,524, 159,423.60 and 62,532 is: 86,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,524 : 159,423.60 = 62,532 : x
  2. Step 2: Convert to fraction form
    115,524/159,423.60 = 62,532/x
  3. Step 3: Cross multiply
    115,524x = 159,423.60 × 62,532
  4. Step 4: Simplify right side
    115,524x = 9,969,076,555.20
  5. Step 5: Solve for x
    x = 9,969,076,555.20/115,524
  6. Step 6: Final answer
    x = 86,294.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.