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Finding the Fourth Proportional to 106,959.92, 147,605.84 and 59,214.06

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Solution

The fourth proportional to 106,959.92, 147,605.84 and 59,214.06 is: 81,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.92 : 147,605.84 = 59,214.06 : x
  2. Step 2: Convert to fraction form
    106,959.92/147,605.84 = 59,214.06/x
  3. Step 3: Cross multiply
    106,959.92x = 147,605.84 × 59,214.06
  4. Step 4: Simplify right side
    106,959.92x = 8,740,340,770.04
  5. Step 5: Solve for x
    x = 8,740,340,770.04/106,959.92
  6. Step 6: Final answer
    x = 81,716.04

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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.