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Finding the Fourth Proportional to 169,233.30, 253,947.15 and 64,127.70

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Solution

The fourth proportional to 169,233.30, 253,947.15 and 64,127.70 is: 96,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,233.30 : 253,947.15 = 64,127.70 : x
  2. Step 2: Convert to fraction form
    169,233.30/253,947.15 = 64,127.70/x
  3. Step 3: Cross multiply
    169,233.30x = 253,947.15 × 64,127.70
  4. Step 4: Simplify right side
    169,233.30x = 16,285,046,651.06
  5. Step 5: Solve for x
    x = 16,285,046,651.06/169,233.30
  6. Step 6: Final answer
    x = 96,228.38

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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.