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Finding the Fourth Proportional to 251,154.40, 377,023.20 and 144,623.20

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Solution

The fourth proportional to 251,154.40, 377,023.20 and 144,623.20 is: 217,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,154.40 : 377,023.20 = 144,623.20 : x
  2. Step 2: Convert to fraction form
    251,154.40/377,023.20 = 144,623.20/x
  3. Step 3: Cross multiply
    251,154.40x = 377,023.20 × 144,623.20
  4. Step 4: Simplify right side
    251,154.40x = 54,526,301,658.24
  5. Step 5: Solve for x
    x = 54,526,301,658.24/251,154.40
  6. Step 6: Final answer
    x = 217,102.71

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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.