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Finding the Fourth Proportional to 251,307.30, 376,960.21 and 101,545.86

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Solution

The fourth proportional to 251,307.30, 376,960.21 and 101,545.86 is: 152,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,307.30 : 376,960.21 = 101,545.86 : x
  2. Step 2: Convert to fraction form
    251,307.30/376,960.21 = 101,545.86/x
  3. Step 3: Cross multiply
    251,307.30x = 376,960.21 × 101,545.86
  4. Step 4: Simplify right side
    251,307.30x = 38,278,748,456.37
  5. Step 5: Solve for x
    x = 38,278,748,456.37/251,307.30
  6. Step 6: Final answer
    x = 152,318.49

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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.