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Finding the Fourth Proportional to 82,702.69, 124,046.64 and 26,527.53

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Solution

The fourth proportional to 82,702.69, 124,046.64 and 26,527.53 is: 39,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,702.69 : 124,046.64 = 26,527.53 : x
  2. Step 2: Convert to fraction form
    82,702.69/124,046.64 = 26,527.53/x
  3. Step 3: Cross multiply
    82,702.69x = 124,046.64 × 26,527.53
  4. Step 4: Simplify right side
    82,702.69x = 3,290,651,429.17
  5. Step 5: Solve for x
    x = 3,290,651,429.17/82,702.69
  6. Step 6: Final answer
    x = 39,788.93

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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.