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Finding the Fourth Proportional to 63,073.60, 94,480.80 and 43,374.40

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Solution

The fourth proportional to 63,073.60, 94,480.80 and 43,374.40 is: 64,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,073.60 : 94,480.80 = 43,374.40 : x
  2. Step 2: Convert to fraction form
    63,073.60/94,480.80 = 43,374.40/x
  3. Step 3: Cross multiply
    63,073.60x = 94,480.80 × 43,374.40
  4. Step 4: Simplify right side
    63,073.60x = 4,098,048,011.52
  5. Step 5: Solve for x
    x = 4,098,048,011.52/63,073.60
  6. Step 6: Final answer
    x = 64,972.48

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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.