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Finding the Fourth Proportional to 124,189.34, 171,054.81 and 95,454.05

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Solution

The fourth proportional to 124,189.34, 171,054.81 and 95,454.05 is: 131,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,189.34 : 171,054.81 = 95,454.05 : x
  2. Step 2: Convert to fraction form
    124,189.34/171,054.81 = 95,454.05/x
  3. Step 3: Cross multiply
    124,189.34x = 171,054.81 × 95,454.05
  4. Step 4: Simplify right side
    124,189.34x = 16,327,873,531.21
  5. Step 5: Solve for x
    x = 16,327,873,531.21/124,189.34
  6. Step 6: Final answer
    x = 131,475.65

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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.