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Finding the Fourth Proportional to 82,691.99, 114,123.41 and 48,711.17

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Solution

The fourth proportional to 82,691.99, 114,123.41 and 48,711.17 is: 67,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,691.99 : 114,123.41 = 48,711.17 : x
  2. Step 2: Convert to fraction form
    82,691.99/114,123.41 = 48,711.17/x
  3. Step 3: Cross multiply
    82,691.99x = 114,123.41 × 48,711.17
  4. Step 4: Simplify right side
    82,691.99x = 5,559,084,376.65
  5. Step 5: Solve for x
    x = 5,559,084,376.65/82,691.99
  6. Step 6: Final answer
    x = 67,226.40

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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.