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Finding the Fourth Proportional to 116,441.76, 160,689.60 and 63,449.76

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Solution

The fourth proportional to 116,441.76, 160,689.60 and 63,449.76 is: 87,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,441.76 : 160,689.60 = 63,449.76 : x
  2. Step 2: Convert to fraction form
    116,441.76/160,689.60 = 63,449.76/x
  3. Step 3: Cross multiply
    116,441.76x = 160,689.60 × 63,449.76
  4. Step 4: Simplify right side
    116,441.76x = 10,195,716,554.50
  5. Step 5: Solve for x
    x = 10,195,716,554.50/116,441.76
  6. Step 6: Final answer
    x = 87,560.65

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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.