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Finding the Fourth Proportional to 376,126.52, 564,187.83 and 91,818.58

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Solution

The fourth proportional to 376,126.52, 564,187.83 and 91,818.58 is: 137,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,126.52 : 564,187.83 = 91,818.58 : x
  2. Step 2: Convert to fraction form
    376,126.52/564,187.83 = 91,818.58/x
  3. Step 3: Cross multiply
    376,126.52x = 564,187.83 × 91,818.58
  4. Step 4: Simplify right side
    376,126.52x = 51,802,925,223.42
  5. Step 5: Solve for x
    x = 51,802,925,223.42/376,126.52
  6. Step 6: Final answer
    x = 137,727.39

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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.