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Finding the Fourth Proportional to 169,425.42, 253,638.84 and 148,406.58

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Solution

The fourth proportional to 169,425.42, 253,638.84 and 148,406.58 is: 222,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,425.42 : 253,638.84 = 148,406.58 : x
  2. Step 2: Convert to fraction form
    169,425.42/253,638.84 = 148,406.58/x
  3. Step 3: Cross multiply
    169,425.42x = 253,638.84 × 148,406.58
  4. Step 4: Simplify right side
    169,425.42x = 37,641,672,799.57
  5. Step 5: Solve for x
    x = 37,641,672,799.57/169,425.42
  6. Step 6: Final answer
    x = 222,172.52

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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.