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Finding the Fourth Proportional to 117,666.92, 176,500.10 and 51,098.42

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Solution

The fourth proportional to 117,666.92, 176,500.10 and 51,098.42 is: 76,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.92 : 176,500.10 = 51,098.42 : x
  2. Step 2: Convert to fraction form
    117,666.92/176,500.10 = 51,098.42/x
  3. Step 3: Cross multiply
    117,666.92x = 176,500.10 × 51,098.42
  4. Step 4: Simplify right side
    117,666.92x = 9,018,876,239.84
  5. Step 5: Solve for x
    x = 9,018,876,239.84/117,666.92
  6. Step 6: Final answer
    x = 76,647.51

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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.