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Finding the Fourth Proportional to 63,915.06, 88,202.88 and 35,620.14

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Solution

The fourth proportional to 63,915.06, 88,202.88 and 35,620.14 is: 49,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.06 : 88,202.88 = 35,620.14 : x
  2. Step 2: Convert to fraction form
    63,915.06/88,202.88 = 35,620.14/x
  3. Step 3: Cross multiply
    63,915.06x = 88,202.88 × 35,620.14
  4. Step 4: Simplify right side
    63,915.06x = 3,141,798,934.00
  5. Step 5: Solve for x
    x = 3,141,798,934.00/63,915.06
  6. Step 6: Final answer
    x = 49,155.85

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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.