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Finding the Fourth Proportional to 104,957.44, 144,759.36 and 67,235.20

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Solution

The fourth proportional to 104,957.44, 144,759.36 and 67,235.20 is: 92,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,957.44 : 144,759.36 = 67,235.20 : x
  2. Step 2: Convert to fraction form
    104,957.44/144,759.36 = 67,235.20/x
  3. Step 3: Cross multiply
    104,957.44x = 144,759.36 × 67,235.20
  4. Step 4: Simplify right side
    104,957.44x = 9,732,924,521.47
  5. Step 5: Solve for x
    x = 9,732,924,521.47/104,957.44
  6. Step 6: Final answer
    x = 92,732.11

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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.