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Finding the Fourth Proportional to 195,062.40, 292,593.60 and 76,694.40

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Solution

The fourth proportional to 195,062.40, 292,593.60 and 76,694.40 is: 115,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,062.40 : 292,593.60 = 76,694.40 : x
  2. Step 2: Convert to fraction form
    195,062.40/292,593.60 = 76,694.40/x
  3. Step 3: Cross multiply
    195,062.40x = 292,593.60 × 76,694.40
  4. Step 4: Simplify right side
    195,062.40x = 22,440,290,595.84
  5. Step 5: Solve for x
    x = 22,440,290,595.84/195,062.40
  6. Step 6: Final answer
    x = 115,041.60

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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.