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Finding the Fourth Proportional to 137,444.67, 206,189.42 and 48,678.93

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Solution

The fourth proportional to 137,444.67, 206,189.42 and 48,678.93 is: 73,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,444.67 : 206,189.42 = 48,678.93 : x
  2. Step 2: Convert to fraction form
    137,444.67/206,189.42 = 48,678.93/x
  3. Step 3: Cross multiply
    137,444.67x = 206,189.42 × 48,678.93
  4. Step 4: Simplify right side
    137,444.67x = 10,037,080,099.53
  5. Step 5: Solve for x
    x = 10,037,080,099.53/137,444.67
  6. Step 6: Final answer
    x = 73,026.33

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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.