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Finding the Fourth Proportional to 63,687.60, 95,531.40 and 48,970.80

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Solution

The fourth proportional to 63,687.60, 95,531.40 and 48,970.80 is: 73,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.60 : 95,531.40 = 48,970.80 : x
  2. Step 2: Convert to fraction form
    63,687.60/95,531.40 = 48,970.80/x
  3. Step 3: Cross multiply
    63,687.60x = 95,531.40 × 48,970.80
  4. Step 4: Simplify right side
    63,687.60x = 4,678,249,083.12
  5. Step 5: Solve for x
    x = 4,678,249,083.12/63,687.60
  6. Step 6: Final answer
    x = 73,456.20

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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.