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Finding the Fourth Proportional to 84,710.66, 127,104.77 and 36,693.95

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Solution

The fourth proportional to 84,710.66, 127,104.77 and 36,693.95 is: 55,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,710.66 : 127,104.77 = 36,693.95 : x
  2. Step 2: Convert to fraction form
    84,710.66/127,104.77 = 36,693.95/x
  3. Step 3: Cross multiply
    84,710.66x = 127,104.77 × 36,693.95
  4. Step 4: Simplify right side
    84,710.66x = 4,663,975,531.35
  5. Step 5: Solve for x
    x = 4,663,975,531.35/84,710.66
  6. Step 6: Final answer
    x = 55,057.72

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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.