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Finding the Fourth Proportional to 110,672.64, 152,728.07 and 60,371.64

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Solution

The fourth proportional to 110,672.64, 152,728.07 and 60,371.64 is: 83,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,672.64 : 152,728.07 = 60,371.64 : x
  2. Step 2: Convert to fraction form
    110,672.64/152,728.07 = 60,371.64/x
  3. Step 3: Cross multiply
    110,672.64x = 152,728.07 × 60,371.64
  4. Step 4: Simplify right side
    110,672.64x = 9,220,443,758.08
  5. Step 5: Solve for x
    x = 9,220,443,758.08/110,672.64
  6. Step 6: Final answer
    x = 83,312.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.