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Finding the Fourth Proportional to 103,635.62, 155,444.49 and 63,098.62

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Solution

The fourth proportional to 103,635.62, 155,444.49 and 63,098.62 is: 94,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.62 : 155,444.49 = 63,098.62 : x
  2. Step 2: Convert to fraction form
    103,635.62/155,444.49 = 63,098.62/x
  3. Step 3: Cross multiply
    103,635.62x = 155,444.49 × 63,098.62
  4. Step 4: Simplify right side
    103,635.62x = 9,808,332,805.60
  5. Step 5: Solve for x
    x = 9,808,332,805.60/103,635.62
  6. Step 6: Final answer
    x = 94,642.49

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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.