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Finding the Fourth Proportional to 132,602.92, 182,990.50 and 78,887.08

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Solution

The fourth proportional to 132,602.92, 182,990.50 and 78,887.08 is: 108,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,602.92 : 182,990.50 = 78,887.08 : x
  2. Step 2: Convert to fraction form
    132,602.92/182,990.50 = 78,887.08/x
  3. Step 3: Cross multiply
    132,602.92x = 182,990.50 × 78,887.08
  4. Step 4: Simplify right side
    132,602.92x = 14,435,586,212.74
  5. Step 5: Solve for x
    x = 14,435,586,212.74/132,602.92
  6. Step 6: Final answer
    x = 108,863.26

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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.