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Finding the Fourth Proportional to 251,423.44, 377,134.17 and 101,661.91

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Solution

The fourth proportional to 251,423.44, 377,134.17 and 101,661.91 is: 152,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,423.44 : 377,134.17 = 101,661.91 : x
  2. Step 2: Convert to fraction form
    251,423.44/377,134.17 = 101,661.91/x
  3. Step 3: Cross multiply
    251,423.44x = 377,134.17 × 101,661.91
  4. Step 4: Simplify right side
    251,423.44x = 38,340,180,048.46
  5. Step 5: Solve for x
    x = 38,340,180,048.46/251,423.44
  6. Step 6: Final answer
    x = 152,492.46

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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.