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Finding the Fourth Proportional to 193,699.52, 267,276.24 and 108,800.32

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Solution

The fourth proportional to 193,699.52, 267,276.24 and 108,800.32 is: 150,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,699.52 : 267,276.24 = 108,800.32 : x
  2. Step 2: Convert to fraction form
    193,699.52/267,276.24 = 108,800.32/x
  3. Step 3: Cross multiply
    193,699.52x = 267,276.24 × 108,800.32
  4. Step 4: Simplify right side
    193,699.52x = 29,079,740,440.40
  5. Step 5: Solve for x
    x = 29,079,740,440.40/193,699.52
  6. Step 6: Final answer
    x = 150,128.10

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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.