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Finding the Fourth Proportional to 193,937.38, 267,666.45 and 112,253.80

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Solution

The fourth proportional to 193,937.38, 267,666.45 and 112,253.80 is: 154,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,937.38 : 267,666.45 = 112,253.80 : x
  2. Step 2: Convert to fraction form
    193,937.38/267,666.45 = 112,253.80/x
  3. Step 3: Cross multiply
    193,937.38x = 267,666.45 × 112,253.80
  4. Step 4: Simplify right side
    193,937.38x = 30,046,576,145.01
  5. Step 5: Solve for x
    x = 30,046,576,145.01/193,937.38
  6. Step 6: Final answer
    x = 154,929.27

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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.