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Finding the Fourth Proportional to 117,808.73, 176,646.13 and 80,414.07

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Solution

The fourth proportional to 117,808.73, 176,646.13 and 80,414.07 is: 120,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,808.73 : 176,646.13 = 80,414.07 : x
  2. Step 2: Convert to fraction form
    117,808.73/176,646.13 = 80,414.07/x
  3. Step 3: Cross multiply
    117,808.73x = 176,646.13 × 80,414.07
  4. Step 4: Simplify right side
    117,808.73x = 14,204,833,851.92
  5. Step 5: Solve for x
    x = 14,204,833,851.92/117,808.73
  6. Step 6: Final answer
    x = 120,575.39

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1.5x scale

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.