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Finding the Fourth Proportional to 169,487.70, 254,231.55 and 103,058.10

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Solution

The fourth proportional to 169,487.70, 254,231.55 and 103,058.10 is: 154,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487.70 : 254,231.55 = 103,058.10 : x
  2. Step 2: Convert to fraction form
    169,487.70/254,231.55 = 103,058.10/x
  3. Step 3: Cross multiply
    169,487.70x = 254,231.55 × 103,058.10
  4. Step 4: Simplify right side
    169,487.70x = 26,200,620,503.06
  5. Step 5: Solve for x
    x = 26,200,620,503.06/169,487.70
  6. Step 6: Final answer
    x = 154,587.15

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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.