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Finding the Fourth Proportional to 160,700.38, 240,960.21 and 65,904.46

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Solution

The fourth proportional to 160,700.38, 240,960.21 and 65,904.46 is: 98,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,700.38 : 240,960.21 = 65,904.46 : x
  2. Step 2: Convert to fraction form
    160,700.38/240,960.21 = 65,904.46/x
  3. Step 3: Cross multiply
    160,700.38x = 240,960.21 × 65,904.46
  4. Step 4: Simplify right side
    160,700.38x = 15,880,352,521.54
  5. Step 5: Solve for x
    x = 15,880,352,521.54/160,700.38
  6. Step 6: Final answer
    x = 98,819.63

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1.5x scale

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.