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Finding the Fourth Proportional to 160,437.43, 240,655.47 and 40,494.66

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Solution

The fourth proportional to 160,437.43, 240,655.47 and 40,494.66 is: 60,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,437.43 : 240,655.47 = 40,494.66 : x
  2. Step 2: Convert to fraction form
    160,437.43/240,655.47 = 40,494.66/x
  3. Step 3: Cross multiply
    160,437.43x = 240,655.47 × 40,494.66
  4. Step 4: Simplify right side
    160,437.43x = 9,745,261,434.79
  5. Step 5: Solve for x
    x = 9,745,261,434.79/160,437.43
  6. Step 6: Final answer
    x = 60,741.82

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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.