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Finding the Fourth Proportional to 193,340.28, 266,808.42 and 112,761.48

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Solution

The fourth proportional to 193,340.28, 266,808.42 and 112,761.48 is: 155,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,340.28 : 266,808.42 = 112,761.48 : x
  2. Step 2: Convert to fraction form
    193,340.28/266,808.42 = 112,761.48/x
  3. Step 3: Cross multiply
    193,340.28x = 266,808.42 × 112,761.48
  4. Step 4: Simplify right side
    193,340.28x = 30,085,712,315.66
  5. Step 5: Solve for x
    x = 30,085,712,315.66/193,340.28
  6. Step 6: Final answer
    x = 155,610.16

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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.