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Finding the Fourth Proportional to 116,502.50, 160,827.60 and 87,833.76

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Solution

The fourth proportional to 116,502.50, 160,827.60 and 87,833.76 is: 121,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,502.50 : 160,827.60 = 87,833.76 : x
  2. Step 2: Convert to fraction form
    116,502.50/160,827.60 = 87,833.76/x
  3. Step 3: Cross multiply
    116,502.50x = 160,827.60 × 87,833.76
  4. Step 4: Simplify right side
    116,502.50x = 14,126,092,819.78
  5. Step 5: Solve for x
    x = 14,126,092,819.78/116,502.50
  6. Step 6: Final answer
    x = 121,251.42

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1.5x scale

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.