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Finding the Fourth Proportional to 111,523.70, 153,882.84 and 63,125.39

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Solution

The fourth proportional to 111,523.70, 153,882.84 and 63,125.39 is: 87,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,523.70 : 153,882.84 = 63,125.39 : x
  2. Step 2: Convert to fraction form
    111,523.70/153,882.84 = 63,125.39/x
  3. Step 3: Cross multiply
    111,523.70x = 153,882.84 × 63,125.39
  4. Step 4: Simplify right side
    111,523.70x = 9,713,913,519.89
  5. Step 5: Solve for x
    x = 9,713,913,519.89/111,523.70
  6. Step 6: Final answer
    x = 87,101.79

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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.