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Finding the Fourth Proportional to 94,767.78, 130,787.22 and 54,494.64

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Solution

The fourth proportional to 94,767.78, 130,787.22 and 54,494.64 is: 75,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,767.78 : 130,787.22 = 54,494.64 : x
  2. Step 2: Convert to fraction form
    94,767.78/130,787.22 = 54,494.64/x
  3. Step 3: Cross multiply
    94,767.78x = 130,787.22 × 54,494.64
  4. Step 4: Simplify right side
    94,767.78x = 7,127,202,470.50
  5. Step 5: Solve for x
    x = 7,127,202,470.50/94,767.78
  6. Step 6: Final answer
    x = 75,207.02

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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.