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Finding the Fourth Proportional to 181,690.80, 250,731.48 and 101,117.04

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Solution

The fourth proportional to 181,690.80, 250,731.48 and 101,117.04 is: 139,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,690.80 : 250,731.48 = 101,117.04 : x
  2. Step 2: Convert to fraction form
    181,690.80/250,731.48 = 101,117.04/x
  3. Step 3: Cross multiply
    181,690.80x = 250,731.48 × 101,117.04
  4. Step 4: Simplify right side
    181,690.80x = 25,353,225,092.42
  5. Step 5: Solve for x
    x = 25,353,225,092.42/181,690.80
  6. Step 6: Final answer
    x = 139,540.50

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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.