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Finding the Fourth Proportional to 167,151.52, 230,669.08 and 91,698.40

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Solution

The fourth proportional to 167,151.52, 230,669.08 and 91,698.40 is: 126,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,151.52 : 230,669.08 = 91,698.40 : x
  2. Step 2: Convert to fraction form
    167,151.52/230,669.08 = 91,698.40/x
  3. Step 3: Cross multiply
    167,151.52x = 230,669.08 × 91,698.40
  4. Step 4: Simplify right side
    167,151.52x = 21,151,985,565.47
  5. Step 5: Solve for x
    x = 21,151,985,565.47/167,151.52
  6. Step 6: Final answer
    x = 126,543.78

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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.