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Finding the Fourth Proportional to 88,332.87, 121,856.49 and 52,497.48

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Solution

The fourth proportional to 88,332.87, 121,856.49 and 52,497.48 is: 72,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.87 : 121,856.49 = 52,497.48 : x
  2. Step 2: Convert to fraction form
    88,332.87/121,856.49 = 52,497.48/x
  3. Step 3: Cross multiply
    88,332.87x = 121,856.49 × 52,497.48
  4. Step 4: Simplify right side
    88,332.87x = 6,397,158,646.65
  5. Step 5: Solve for x
    x = 6,397,158,646.65/88,332.87
  6. Step 6: Final answer
    x = 72,421.04

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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.