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Finding the Fourth Proportional to 63,001.60, 94,648.20 and 43,318.60

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Solution

The fourth proportional to 63,001.60, 94,648.20 and 43,318.60 is: 65,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,001.60 : 94,648.20 = 43,318.60 : x
  2. Step 2: Convert to fraction form
    63,001.60/94,648.20 = 43,318.60/x
  3. Step 3: Cross multiply
    63,001.60x = 94,648.20 × 43,318.60
  4. Step 4: Simplify right side
    63,001.60x = 4,100,027,516.52
  5. Step 5: Solve for x
    x = 4,100,027,516.52/63,001.60
  6. Step 6: Final answer
    x = 65,078.15

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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.