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Finding the Fourth Proportional to 169,193.87, 253,806.46 and 55,342.32

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Solution

The fourth proportional to 169,193.87, 253,806.46 and 55,342.32 is: 83,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,193.87 : 253,806.46 = 55,342.32 : x
  2. Step 2: Convert to fraction form
    169,193.87/253,806.46 = 55,342.32/x
  3. Step 3: Cross multiply
    169,193.87x = 253,806.46 × 55,342.32
  4. Step 4: Simplify right side
    169,193.87x = 14,046,238,050.68
  5. Step 5: Solve for x
    x = 14,046,238,050.68/169,193.87
  6. Step 6: Final answer
    x = 83,018.60

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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.