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Finding the Fourth Proportional to 157,067.69, 216,737.01 and 89,062.92

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Solution

The fourth proportional to 157,067.69, 216,737.01 and 89,062.92 is: 122,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.69 : 216,737.01 = 89,062.92 : x
  2. Step 2: Convert to fraction form
    157,067.69/216,737.01 = 89,062.92/x
  3. Step 3: Cross multiply
    157,067.69x = 216,737.01 × 89,062.92
  4. Step 4: Simplify right side
    157,067.69x = 19,303,231,079.20
  5. Step 5: Solve for x
    x = 19,303,231,079.20/157,067.69
  6. Step 6: Final answer
    x = 122,897.53

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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.