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Finding the Fourth Proportional to 91,873.84, 137,810.76 and 29,553.52

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Solution

The fourth proportional to 91,873.84, 137,810.76 and 29,553.52 is: 44,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.84 : 137,810.76 = 29,553.52 : x
  2. Step 2: Convert to fraction form
    91,873.84/137,810.76 = 29,553.52/x
  3. Step 3: Cross multiply
    91,873.84x = 137,810.76 × 29,553.52
  4. Step 4: Simplify right side
    91,873.84x = 4,072,793,051.88
  5. Step 5: Solve for x
    x = 4,072,793,051.88/91,873.84
  6. Step 6: Final answer
    x = 44,330.28

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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.