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Finding the Fourth Proportional to 169,427.62, 253,802.55 and 101,922.46

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Solution

The fourth proportional to 169,427.62, 253,802.55 and 101,922.46 is: 152,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,427.62 : 253,802.55 = 101,922.46 : x
  2. Step 2: Convert to fraction form
    169,427.62/253,802.55 = 101,922.46/x
  3. Step 3: Cross multiply
    169,427.62x = 253,802.55 × 101,922.46
  4. Step 4: Simplify right side
    169,427.62x = 25,868,180,250.27
  5. Step 5: Solve for x
    x = 25,868,180,250.27/169,427.62
  6. Step 6: Final answer
    x = 152,679.83

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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.