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Finding the Fourth Proportional to 167,468.40, 231,110.56 and 90,987.52

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Solution

The fourth proportional to 167,468.40, 231,110.56 and 90,987.52 is: 125,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,468.40 : 231,110.56 = 90,987.52 : x
  2. Step 2: Convert to fraction form
    167,468.40/231,110.56 = 90,987.52/x
  3. Step 3: Cross multiply
    167,468.40x = 231,110.56 × 90,987.52
  4. Step 4: Simplify right side
    167,468.40x = 21,028,176,700.21
  5. Step 5: Solve for x
    x = 21,028,176,700.21/167,468.40
  6. Step 6: Final answer
    x = 125,565.04

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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.