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Finding the Fourth Proportional to 169,750.67, 254,653.55 and 57,437.78

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Solution

The fourth proportional to 169,750.67, 254,653.55 and 57,437.78 is: 86,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,750.67 : 254,653.55 = 57,437.78 : x
  2. Step 2: Convert to fraction form
    169,750.67/254,653.55 = 57,437.78/x
  3. Step 3: Cross multiply
    169,750.67x = 254,653.55 × 57,437.78
  4. Step 4: Simplify right side
    169,750.67x = 14,626,734,293.93
  5. Step 5: Solve for x
    x = 14,626,734,293.93/169,750.67
  6. Step 6: Final answer
    x = 86,165.99

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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.