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Finding the Fourth Proportional to 96,695.60, 144,870.60 and 82,871.60

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Solution

The fourth proportional to 96,695.60, 144,870.60 and 82,871.60 is: 124,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,695.60 : 144,870.60 = 82,871.60 : x
  2. Step 2: Convert to fraction form
    96,695.60/144,870.60 = 82,871.60/x
  3. Step 3: Cross multiply
    96,695.60x = 144,870.60 × 82,871.60
  4. Step 4: Simplify right side
    96,695.60x = 12,005,658,414.96
  5. Step 5: Solve for x
    x = 12,005,658,414.96/96,695.60
  6. Step 6: Final answer
    x = 124,159.30

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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.