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Finding the Fourth Proportional to 97,359.52, 134,377.77 and 63,308.74

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Solution

The fourth proportional to 97,359.52, 134,377.77 and 63,308.74 is: 87,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,359.52 : 134,377.77 = 63,308.74 : x
  2. Step 2: Convert to fraction form
    97,359.52/134,377.77 = 63,308.74/x
  3. Step 3: Cross multiply
    97,359.52x = 134,377.77 × 63,308.74
  4. Step 4: Simplify right side
    97,359.52x = 8,507,287,302.71
  5. Step 5: Solve for x
    x = 8,507,287,302.71/97,359.52
  6. Step 6: Final answer
    x = 87,380.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.