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Finding the Fourth Proportional to 208,490.49, 312,754.10 and 58,732.02

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Solution

The fourth proportional to 208,490.49, 312,754.10 and 58,732.02 is: 88,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,490.49 : 312,754.10 = 58,732.02 : x
  2. Step 2: Convert to fraction form
    208,490.49/312,754.10 = 58,732.02/x
  3. Step 3: Cross multiply
    208,490.49x = 312,754.10 × 58,732.02
  4. Step 4: Simplify right side
    208,490.49x = 18,368,679,762.62
  5. Step 5: Solve for x
    x = 18,368,679,762.62/208,490.49
  6. Step 6: Final answer
    x = 88,103.20

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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.