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Finding the Fourth Proportional to 82,816.66, 124,064.61 and 49,562.92

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Solution

The fourth proportional to 82,816.66, 124,064.61 and 49,562.92 is: 74,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.66 : 124,064.61 = 49,562.92 : x
  2. Step 2: Convert to fraction form
    82,816.66/124,064.61 = 49,562.92/x
  3. Step 3: Cross multiply
    82,816.66x = 124,064.61 × 49,562.92
  4. Step 4: Simplify right side
    82,816.66x = 6,149,004,340.26
  5. Step 5: Solve for x
    x = 6,149,004,340.26/82,816.66
  6. Step 6: Final answer
    x = 74,248.40

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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.