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Finding the Fourth Proportional to 167,045.68, 250,568.50 and 77,061.78

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Solution

The fourth proportional to 167,045.68, 250,568.50 and 77,061.78 is: 115,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,045.68 : 250,568.50 = 77,061.78 : x
  2. Step 2: Convert to fraction form
    167,045.68/250,568.50 = 77,061.78/x
  3. Step 3: Cross multiply
    167,045.68x = 250,568.50 × 77,061.78
  4. Step 4: Simplify right side
    167,045.68x = 19,309,254,621.93
  5. Step 5: Solve for x
    x = 19,309,254,621.93/167,045.68
  6. Step 6: Final answer
    x = 115,592.66

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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.