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Finding the Fourth Proportional to 251,700.54, 377,541.90 and 109,545.54

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Solution

The fourth proportional to 251,700.54, 377,541.90 and 109,545.54 is: 164,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,700.54 : 377,541.90 = 109,545.54 : x
  2. Step 2: Convert to fraction form
    251,700.54/377,541.90 = 109,545.54/x
  3. Step 3: Cross multiply
    251,700.54x = 377,541.90 × 109,545.54
  4. Step 4: Simplify right side
    251,700.54x = 41,358,031,308.13
  5. Step 5: Solve for x
    x = 41,358,031,308.13/251,700.54
  6. Step 6: Final answer
    x = 164,314.43

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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.