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Finding the Fourth Proportional to 110,553.28, 152,565.28 and 62,808

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Solution

The fourth proportional to 110,553.28, 152,565.28 and 62,808 is: 86,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553.28 : 152,565.28 = 62,808 : x
  2. Step 2: Convert to fraction form
    110,553.28/152,565.28 = 62,808/x
  3. Step 3: Cross multiply
    110,553.28x = 152,565.28 × 62,808
  4. Step 4: Simplify right side
    110,553.28x = 9,582,320,106.24
  5. Step 5: Solve for x
    x = 9,582,320,106.24/110,553.28
  6. Step 6: Final answer
    x = 86,676.04

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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.