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Finding the Fourth Proportional to 291,953.61, 437,892.66 and 92,294.10

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Solution

The fourth proportional to 291,953.61, 437,892.66 and 92,294.10 is: 138,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,953.61 : 437,892.66 = 92,294.10 : x
  2. Step 2: Convert to fraction form
    291,953.61/437,892.66 = 92,294.10/x
  3. Step 3: Cross multiply
    291,953.61x = 437,892.66 × 92,294.10
  4. Step 4: Simplify right side
    291,953.61x = 40,414,908,951.31
  5. Step 5: Solve for x
    x = 40,414,908,951.31/291,953.61
  6. Step 6: Final answer
    x = 138,429.21

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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.