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Finding the Fourth Proportional to 167,337.80, 230,925.66 and 100,269.80

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Solution

The fourth proportional to 167,337.80, 230,925.66 and 100,269.80 is: 138,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,337.80 : 230,925.66 = 100,269.80 : x
  2. Step 2: Convert to fraction form
    167,337.80/230,925.66 = 100,269.80/x
  3. Step 3: Cross multiply
    167,337.80x = 230,925.66 × 100,269.80
  4. Step 4: Simplify right side
    167,337.80x = 23,154,869,743.07
  5. Step 5: Solve for x
    x = 23,154,869,743.07/167,337.80
  6. Step 6: Final answer
    x = 138,372.02

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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.