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Finding the Fourth Proportional to 294,152.64, 441,170.88 and 80,865.53

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Solution

The fourth proportional to 294,152.64, 441,170.88 and 80,865.53 is: 121,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,152.64 : 441,170.88 = 80,865.53 : x
  2. Step 2: Convert to fraction form
    294,152.64/441,170.88 = 80,865.53/x
  3. Step 3: Cross multiply
    294,152.64x = 441,170.88 × 80,865.53
  4. Step 4: Simplify right side
    294,152.64x = 35,675,514,825.91
  5. Step 5: Solve for x
    x = 35,675,514,825.91/294,152.64
  6. Step 6: Final answer
    x = 121,282.32

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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.