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Finding the Fourth Proportional to 82,239.66, 113,490.90 and 44,513.91

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Solution

The fourth proportional to 82,239.66, 113,490.90 and 44,513.91 is: 61,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,239.66 : 113,490.90 = 44,513.91 : x
  2. Step 2: Convert to fraction form
    82,239.66/113,490.90 = 44,513.91/x
  3. Step 3: Cross multiply
    82,239.66x = 113,490.90 × 44,513.91
  4. Step 4: Simplify right side
    82,239.66x = 5,051,923,708.42
  5. Step 5: Solve for x
    x = 5,051,923,708.42/82,239.66
  6. Step 6: Final answer
    x = 61,429.29

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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.