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Finding the Fourth Proportional to 124,655.08, 187,064.52 and 45,770.08

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Solution

The fourth proportional to 124,655.08, 187,064.52 and 45,770.08 is: 68,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,655.08 : 187,064.52 = 45,770.08 : x
  2. Step 2: Convert to fraction form
    124,655.08/187,064.52 = 45,770.08/x
  3. Step 3: Cross multiply
    124,655.08x = 187,064.52 × 45,770.08
  4. Step 4: Simplify right side
    124,655.08x = 8,561,958,045.56
  5. Step 5: Solve for x
    x = 8,561,958,045.56/124,655.08
  6. Step 6: Final answer
    x = 68,685.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.