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Finding the Fourth Proportional to 192,737.68, 265,969.64 and 106,691.58

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Solution

The fourth proportional to 192,737.68, 265,969.64 and 106,691.58 is: 147,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,737.68 : 265,969.64 = 106,691.58 : x
  2. Step 2: Convert to fraction form
    192,737.68/265,969.64 = 106,691.58/x
  3. Step 3: Cross multiply
    192,737.68x = 265,969.64 × 106,691.58
  4. Step 4: Simplify right side
    192,737.68x = 28,376,721,390.36
  5. Step 5: Solve for x
    x = 28,376,721,390.36/192,737.68
  6. Step 6: Final answer
    x = 147,229.76

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1.5x scale

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.