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Finding the Fourth Proportional to 169,245.90, 253,921.92 and 101,851.47

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Solution

The fourth proportional to 169,245.90, 253,921.92 and 101,851.47 is: 152,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,245.90 : 253,921.92 = 101,851.47 : x
  2. Step 2: Convert to fraction form
    169,245.90/253,921.92 = 101,851.47/x
  3. Step 3: Cross multiply
    169,245.90x = 253,921.92 × 101,851.47
  4. Step 4: Simplify right side
    169,245.90x = 25,862,320,817.22
  5. Step 5: Solve for x
    x = 25,862,320,817.22/169,245.90
  6. Step 6: Final answer
    x = 152,809.14

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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.