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Finding the Fourth Proportional to 195,597.87, 269,931.71 and 109,560.56

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Solution

The fourth proportional to 195,597.87, 269,931.71 and 109,560.56 is: 151,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,597.87 : 269,931.71 = 109,560.56 : x
  2. Step 2: Convert to fraction form
    195,597.87/269,931.71 = 109,560.56/x
  3. Step 3: Cross multiply
    195,597.87x = 269,931.71 × 109,560.56
  4. Step 4: Simplify right side
    195,597.87x = 29,573,867,411.90
  5. Step 5: Solve for x
    x = 29,573,867,411.90/195,597.87
  6. Step 6: Final answer
    x = 151,197.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.