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Finding the Fourth Proportional to 157,465.74, 217,294.83 and 89,473.74

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Solution

The fourth proportional to 157,465.74, 217,294.83 and 89,473.74 is: 123,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465.74 : 217,294.83 = 89,473.74 : x
  2. Step 2: Convert to fraction form
    157,465.74/217,294.83 = 89,473.74/x
  3. Step 3: Cross multiply
    157,465.74x = 217,294.83 × 89,473.74
  4. Step 4: Simplify right side
    157,465.74x = 19,442,181,122.76
  5. Step 5: Solve for x
    x = 19,442,181,122.76/157,465.74
  6. Step 6: Final answer
    x = 123,469.28

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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.