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Finding the Fourth Proportional to 111,960.71, 154,504.26 and 63,562.20

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Solution

The fourth proportional to 111,960.71, 154,504.26 and 63,562.20 is: 87,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,960.71 : 154,504.26 = 63,562.20 : x
  2. Step 2: Convert to fraction form
    111,960.71/154,504.26 = 63,562.20/x
  3. Step 3: Cross multiply
    111,960.71x = 154,504.26 × 63,562.20
  4. Step 4: Simplify right side
    111,960.71x = 9,820,630,447.62
  5. Step 5: Solve for x
    x = 9,820,630,447.62/111,960.71
  6. Step 6: Final answer
    x = 87,714.97

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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.