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Finding the Fourth Proportional to 195,697.78, 293,454.14 and 75,810.89

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Solution

The fourth proportional to 195,697.78, 293,454.14 and 75,810.89 is: 113,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,697.78 : 293,454.14 = 75,810.89 : x
  2. Step 2: Convert to fraction form
    195,697.78/293,454.14 = 75,810.89/x
  3. Step 3: Cross multiply
    195,697.78x = 293,454.14 × 75,810.89
  4. Step 4: Simplify right side
    195,697.78x = 22,247,018,249.84
  5. Step 5: Solve for x
    x = 22,247,018,249.84/195,697.78
  6. Step 6: Final answer
    x = 113,680.48

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1.5x scale

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.