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Finding the Fourth Proportional to 116,539.46, 160,819.68 and 68,808.20

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Solution

The fourth proportional to 116,539.46, 160,819.68 and 68,808.20 is: 94,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,539.46 : 160,819.68 = 68,808.20 : x
  2. Step 2: Convert to fraction form
    116,539.46/160,819.68 = 68,808.20/x
  3. Step 3: Cross multiply
    116,539.46x = 160,819.68 × 68,808.20
  4. Step 4: Simplify right side
    116,539.46x = 11,065,712,705.38
  5. Step 5: Solve for x
    x = 11,065,712,705.38/116,539.46
  6. Step 6: Final answer
    x = 94,952.50

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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.