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Finding the Fourth Proportional to 157,559.44, 217,434.72 and 89,574.88

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Solution

The fourth proportional to 157,559.44, 217,434.72 and 89,574.88 is: 123,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,559.44 : 217,434.72 = 89,574.88 : x
  2. Step 2: Convert to fraction form
    157,559.44/217,434.72 = 89,574.88/x
  3. Step 3: Cross multiply
    157,559.44x = 217,434.72 × 89,574.88
  4. Step 4: Simplify right side
    157,559.44x = 19,476,688,951.83
  5. Step 5: Solve for x
    x = 19,476,688,951.83/157,559.44
  6. Step 6: Final answer
    x = 123,614.87

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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.