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Finding the Fourth Proportional to 167,737.30, 231,479.31 and 91,256.83

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Solution

The fourth proportional to 167,737.30, 231,479.31 and 91,256.83 is: 125,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,737.30 : 231,479.31 = 91,256.83 : x
  2. Step 2: Convert to fraction form
    167,737.30/231,479.31 = 91,256.83/x
  3. Step 3: Cross multiply
    167,737.30x = 231,479.31 × 91,256.83
  4. Step 4: Simplify right side
    167,737.30x = 21,124,068,041.19
  5. Step 5: Solve for x
    x = 21,124,068,041.19/167,737.30
  6. Step 6: Final answer
    x = 125,935.42

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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.