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Finding the Fourth Proportional to 67,423.78, 101,146.64 and 25,307.17

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Solution

The fourth proportional to 67,423.78, 101,146.64 and 25,307.17 is: 37,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,423.78 : 101,146.64 = 25,307.17 : x
  2. Step 2: Convert to fraction form
    67,423.78/101,146.64 = 25,307.17/x
  3. Step 3: Cross multiply
    67,423.78x = 101,146.64 × 25,307.17
  4. Step 4: Simplify right side
    67,423.78x = 2,559,734,834.01
  5. Step 5: Solve for x
    x = 2,559,734,834.01/67,423.78
  6. Step 6: Final answer
    x = 37,964.87

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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.