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Finding the Fourth Proportional to 91,710.84, 137,537.82 and 44,296.47

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Solution

The fourth proportional to 91,710.84, 137,537.82 and 44,296.47 is: 66,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,710.84 : 137,537.82 = 44,296.47 : x
  2. Step 2: Convert to fraction form
    91,710.84/137,537.82 = 44,296.47/x
  3. Step 3: Cross multiply
    91,710.84x = 137,537.82 × 44,296.47
  4. Step 4: Simplify right side
    91,710.84x = 6,092,439,917.50
  5. Step 5: Solve for x
    x = 6,092,439,917.50/91,710.84
  6. Step 6: Final answer
    x = 66,430.97

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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.