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Finding the Fourth Proportional to 67,621.70, 101,434.88 and 23,248.08

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Solution

The fourth proportional to 67,621.70, 101,434.88 and 23,248.08 is: 34,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.70 : 101,434.88 = 23,248.08 : x
  2. Step 2: Convert to fraction form
    67,621.70/101,434.88 = 23,248.08/x
  3. Step 3: Cross multiply
    67,621.70x = 101,434.88 × 23,248.08
  4. Step 4: Simplify right side
    67,621.70x = 2,358,166,263.15
  5. Step 5: Solve for x
    x = 2,358,166,263.15/67,621.70
  6. Step 6: Final answer
    x = 34,872.92

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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.