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Finding the Fourth Proportional to 132,957.44, 199,437.40 and 39,463.20

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Solution

The fourth proportional to 132,957.44, 199,437.40 and 39,463.20 is: 59,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,957.44 : 199,437.40 = 39,463.20 : x
  2. Step 2: Convert to fraction form
    132,957.44/199,437.40 = 39,463.20/x
  3. Step 3: Cross multiply
    132,957.44x = 199,437.40 × 39,463.20
  4. Step 4: Simplify right side
    132,957.44x = 7,870,438,003.68
  5. Step 5: Solve for x
    x = 7,870,438,003.68/132,957.44
  6. Step 6: Final answer
    x = 59,195.17

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1.5x scale

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.