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Finding the Fourth Proportional to 169,937.40, 254,905.20 and 43,577.40

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Solution

The fourth proportional to 169,937.40, 254,905.20 and 43,577.40 is: 65,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,937.40 : 254,905.20 = 43,577.40 : x
  2. Step 2: Convert to fraction form
    169,937.40/254,905.20 = 43,577.40/x
  3. Step 3: Cross multiply
    169,937.40x = 254,905.20 × 43,577.40
  4. Step 4: Simplify right side
    169,937.40x = 11,108,105,862.48
  5. Step 5: Solve for x
    x = 11,108,105,862.48/169,937.40
  6. Step 6: Final answer
    x = 65,365.87

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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.