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Finding the Fourth Proportional to 169,835.20, 254,744.70 and 57,504.40

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Solution

The fourth proportional to 169,835.20, 254,744.70 and 57,504.40 is: 86,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,835.20 : 254,744.70 = 57,504.40 : x
  2. Step 2: Convert to fraction form
    169,835.20/254,744.70 = 57,504.40/x
  3. Step 3: Cross multiply
    169,835.20x = 254,744.70 × 57,504.40
  4. Step 4: Simplify right side
    169,835.20x = 14,648,941,126.68
  5. Step 5: Solve for x
    x = 14,648,941,126.68/169,835.20
  6. Step 6: Final answer
    x = 86,253.86

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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.