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Finding the Fourth Proportional to 63,132.40, 94,720.20 and 28,097.20

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Solution

The fourth proportional to 63,132.40, 94,720.20 and 28,097.20 is: 42,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,132.40 : 94,720.20 = 28,097.20 : x
  2. Step 2: Convert to fraction form
    63,132.40/94,720.20 = 28,097.20/x
  3. Step 3: Cross multiply
    63,132.40x = 94,720.20 × 28,097.20
  4. Step 4: Simplify right side
    63,132.40x = 2,661,372,403.44
  5. Step 5: Solve for x
    x = 2,661,372,403.44/63,132.40
  6. Step 6: Final answer
    x = 42,155.41

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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.