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Finding the Fourth Proportional to 169,919.31, 254,888.36 and 56,062.61

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Solution

The fourth proportional to 169,919.31, 254,888.36 and 56,062.61 is: 84,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,919.31 : 254,888.36 = 56,062.61 : x
  2. Step 2: Convert to fraction form
    169,919.31/254,888.36 = 56,062.61/x
  3. Step 3: Cross multiply
    169,919.31x = 254,888.36 × 56,062.61
  4. Step 4: Simplify right side
    169,919.31x = 14,289,705,535.82
  5. Step 5: Solve for x
    x = 14,289,705,535.82/169,919.31
  6. Step 6: Final answer
    x = 84,097.01

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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.