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Finding the Fourth Proportional to 251,400.65, 377,100.05 and 101,639.14

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Solution

The fourth proportional to 251,400.65, 377,100.05 and 101,639.14 is: 152,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,400.65 : 377,100.05 = 101,639.14 : x
  2. Step 2: Convert to fraction form
    251,400.65/377,100.05 = 101,639.14/x
  3. Step 3: Cross multiply
    251,400.65x = 377,100.05 × 101,639.14
  4. Step 4: Simplify right side
    251,400.65x = 38,328,123,325.01
  5. Step 5: Solve for x
    x = 38,328,123,325.01/251,400.65
  6. Step 6: Final answer
    x = 152,458.33

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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.