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Finding the Fourth Proportional to 131,475.96, 181,459.62 and 127,101.96

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Solution

The fourth proportional to 131,475.96, 181,459.62 and 127,101.96 is: 175,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,475.96 : 181,459.62 = 127,101.96 : x
  2. Step 2: Convert to fraction form
    131,475.96/181,459.62 = 127,101.96/x
  3. Step 3: Cross multiply
    131,475.96x = 181,459.62 × 127,101.96
  4. Step 4: Simplify right side
    131,475.96x = 23,063,873,362.86
  5. Step 5: Solve for x
    x = 23,063,873,362.86/131,475.96
  6. Step 6: Final answer
    x = 175,422.74

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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.