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Finding the Fourth Proportional to 110,635.91, 152,654.68 and 64,686.70

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Solution

The fourth proportional to 110,635.91, 152,654.68 and 64,686.70 is: 89,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,635.91 : 152,654.68 = 64,686.70 : x
  2. Step 2: Convert to fraction form
    110,635.91/152,654.68 = 64,686.70/x
  3. Step 3: Cross multiply
    110,635.91x = 152,654.68 × 64,686.70
  4. Step 4: Simplify right side
    110,635.91x = 9,874,727,396.57
  5. Step 5: Solve for x
    x = 9,874,727,396.57/110,635.91
  6. Step 6: Final answer
    x = 89,254.27

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1.5x scale

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.