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Finding the Fourth Proportional to 176,783.92, 243,942.03 and 104,182.13

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Solution

The fourth proportional to 176,783.92, 243,942.03 and 104,182.13 is: 143,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,783.92 : 243,942.03 = 104,182.13 : x
  2. Step 2: Convert to fraction form
    176,783.92/243,942.03 = 104,182.13/x
  3. Step 3: Cross multiply
    176,783.92x = 243,942.03 × 104,182.13
  4. Step 4: Simplify right side
    176,783.92x = 25,414,400,891.78
  5. Step 5: Solve for x
    x = 25,414,400,891.78/176,783.92
  6. Step 6: Final answer
    x = 143,759.69

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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.