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Finding the Fourth Proportional to 242,882.28, 364,347.72 and 74,400.66

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Solution

The fourth proportional to 242,882.28, 364,347.72 and 74,400.66 is: 111,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,882.28 : 364,347.72 = 74,400.66 : x
  2. Step 2: Convert to fraction form
    242,882.28/364,347.72 = 74,400.66/x
  3. Step 3: Cross multiply
    242,882.28x = 364,347.72 × 74,400.66
  4. Step 4: Simplify right side
    242,882.28x = 27,107,710,837.50
  5. Step 5: Solve for x
    x = 27,107,710,837.50/242,882.28
  6. Step 6: Final answer
    x = 111,608.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.