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Finding the Fourth Proportional to 169,334.64, 254,001.96 and 57,005.46

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Solution

The fourth proportional to 169,334.64, 254,001.96 and 57,005.46 is: 85,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,334.64 : 254,001.96 = 57,005.46 : x
  2. Step 2: Convert to fraction form
    169,334.64/254,001.96 = 57,005.46/x
  3. Step 3: Cross multiply
    169,334.64x = 254,001.96 × 57,005.46
  4. Step 4: Simplify right side
    169,334.64x = 14,479,498,570.70
  5. Step 5: Solve for x
    x = 14,479,498,570.70/169,334.64
  6. Step 6: Final answer
    x = 85,508.19

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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.