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Finding the Fourth Proportional to 169,359.59, 254,039.83 and 57,118.65

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Solution

The fourth proportional to 169,359.59, 254,039.83 and 57,118.65 is: 85,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,359.59 : 254,039.83 = 57,118.65 : x
  2. Step 2: Convert to fraction form
    169,359.59/254,039.83 = 57,118.65/x
  3. Step 3: Cross multiply
    169,359.59x = 254,039.83 × 57,118.65
  4. Step 4: Simplify right side
    169,359.59x = 14,510,412,135.83
  5. Step 5: Solve for x
    x = 14,510,412,135.83/169,359.59
  6. Step 6: Final answer
    x = 85,678.13

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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.