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Finding the Fourth Proportional to 167,925.86, 231,728.01 and 100,844.90

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Solution

The fourth proportional to 167,925.86, 231,728.01 and 100,844.90 is: 139,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,925.86 : 231,728.01 = 100,844.90 : x
  2. Step 2: Convert to fraction form
    167,925.86/231,728.01 = 100,844.90/x
  3. Step 3: Cross multiply
    167,925.86x = 231,728.01 × 100,844.90
  4. Step 4: Simplify right side
    167,925.86x = 23,368,587,995.65
  5. Step 5: Solve for x
    x = 23,368,587,995.65/167,925.86
  6. Step 6: Final answer
    x = 139,160.15

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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.