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Finding the Fourth Proportional to 116,517.19, 160,792.20 and 65,529.91

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Solution

The fourth proportional to 116,517.19, 160,792.20 and 65,529.91 is: 90,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,517.19 : 160,792.20 = 65,529.91 : x
  2. Step 2: Convert to fraction form
    116,517.19/160,792.20 = 65,529.91/x
  3. Step 3: Cross multiply
    116,517.19x = 160,792.20 × 65,529.91
  4. Step 4: Simplify right side
    116,517.19x = 10,536,698,394.70
  5. Step 5: Solve for x
    x = 10,536,698,394.70/116,517.19
  6. Step 6: Final answer
    x = 90,430.42

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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.