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Finding the Fourth Proportional to 167,353.66, 230,948.04 and 90,872.38

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Solution

The fourth proportional to 167,353.66, 230,948.04 and 90,872.38 is: 125,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,353.66 : 230,948.04 = 90,872.38 : x
  2. Step 2: Convert to fraction form
    167,353.66/230,948.04 = 90,872.38/x
  3. Step 3: Cross multiply
    167,353.66x = 230,948.04 × 90,872.38
  4. Step 4: Simplify right side
    167,353.66x = 20,986,798,051.14
  5. Step 5: Solve for x
    x = 20,986,798,051.14/167,353.66
  6. Step 6: Final answer
    x = 125,403.88

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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.