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Finding the Fourth Proportional to 91,484.25, 137,101.59 and 55,957.92

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Solution

The fourth proportional to 91,484.25, 137,101.59 and 55,957.92 is: 83,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,484.25 : 137,101.59 = 55,957.92 : x
  2. Step 2: Convert to fraction form
    91,484.25/137,101.59 = 55,957.92/x
  3. Step 3: Cross multiply
    91,484.25x = 137,101.59 × 55,957.92
  4. Step 4: Simplify right side
    91,484.25x = 7,671,919,805.09
  5. Step 5: Solve for x
    x = 7,671,919,805.09/91,484.25
  6. Step 6: Final answer
    x = 83,860.55

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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.