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Finding the Fourth Proportional to 88,487.81, 132,727.85 and 28,514.95

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Solution

The fourth proportional to 88,487.81, 132,727.85 and 28,514.95 is: 42,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,487.81 : 132,727.85 = 28,514.95 : x
  2. Step 2: Convert to fraction form
    88,487.81/132,727.85 = 28,514.95/x
  3. Step 3: Cross multiply
    88,487.81x = 132,727.85 × 28,514.95
  4. Step 4: Simplify right side
    88,487.81x = 3,784,727,342.72
  5. Step 5: Solve for x
    x = 3,784,727,342.72/88,487.81
  6. Step 6: Final answer
    x = 42,771.17

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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.