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Finding the Fourth Proportional to 63,618.10, 88,948.70 and 63,618.10

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Solution

The fourth proportional to 63,618.10, 88,948.70 and 63,618.10 is: 88,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.10 : 88,948.70 = 63,618.10 : x
  2. Step 2: Convert to fraction form
    63,618.10/88,948.70 = 63,618.10/x
  3. Step 3: Cross multiply
    63,618.10x = 88,948.70 × 63,618.10
  4. Step 4: Simplify right side
    63,618.10x = 5,658,747,291.47
  5. Step 5: Solve for x
    x = 5,658,747,291.47/63,618.10
  6. Step 6: Final answer
    x = 88,948.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.