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Finding the Fourth Proportional to 169,407.52, 254,070.18 and 57,058.72

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Solution

The fourth proportional to 169,407.52, 254,070.18 and 57,058.72 is: 85,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,407.52 : 254,070.18 = 57,058.72 : x
  2. Step 2: Convert to fraction form
    169,407.52/254,070.18 = 57,058.72/x
  3. Step 3: Cross multiply
    169,407.52x = 254,070.18 × 57,058.72
  4. Step 4: Simplify right side
    169,407.52x = 14,496,919,260.97
  5. Step 5: Solve for x
    x = 14,496,919,260.97/169,407.52
  6. Step 6: Final answer
    x = 85,574.24

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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.