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Finding the Fourth Proportional to 194,062.92, 291,127.59 and 88,890.90

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Solution

The fourth proportional to 194,062.92, 291,127.59 and 88,890.90 is: 133,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,062.92 : 291,127.59 = 88,890.90 : x
  2. Step 2: Convert to fraction form
    194,062.92/291,127.59 = 88,890.90/x
  3. Step 3: Cross multiply
    194,062.92x = 291,127.59 × 88,890.90
  4. Step 4: Simplify right side
    194,062.92x = 25,878,593,489.93
  5. Step 5: Solve for x
    x = 25,878,593,489.93/194,062.92
  6. Step 6: Final answer
    x = 133,351.56

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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.