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Finding the Fourth Proportional to 88,308.29, 121,822.59 and 52,472.93

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Solution

The fourth proportional to 88,308.29, 121,822.59 and 52,472.93 is: 72,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.29 : 121,822.59 = 52,472.93 : x
  2. Step 2: Convert to fraction form
    88,308.29/121,822.59 = 52,472.93/x
  3. Step 3: Cross multiply
    88,308.29x = 121,822.59 × 52,472.93
  4. Step 4: Simplify right side
    88,308.29x = 6,392,388,542.05
  5. Step 5: Solve for x
    x = 6,392,388,542.05/88,308.29
  6. Step 6: Final answer
    x = 72,387.18

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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.