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Finding the Fourth Proportional to 223,791, 335,686.44 and 83,560.56

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Solution

The fourth proportional to 223,791, 335,686.44 and 83,560.56 is: 125,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,791 : 335,686.44 = 83,560.56 : x
  2. Step 2: Convert to fraction form
    223,791/335,686.44 = 83,560.56/x
  3. Step 3: Cross multiply
    223,791x = 335,686.44 × 83,560.56
  4. Step 4: Simplify right side
    223,791x = 28,050,146,910.81
  5. Step 5: Solve for x
    x = 28,050,146,910.81/223,791
  6. Step 6: Final answer
    x = 125,340.82

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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.