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Finding the Fourth Proportional to 116,622.80, 160,937.16 and 63,630.80

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Solution

The fourth proportional to 116,622.80, 160,937.16 and 63,630.80 is: 87,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,622.80 : 160,937.16 = 63,630.80 : x
  2. Step 2: Convert to fraction form
    116,622.80/160,937.16 = 63,630.80/x
  3. Step 3: Cross multiply
    116,622.80x = 160,937.16 × 63,630.80
  4. Step 4: Simplify right side
    116,622.80x = 10,240,560,240.53
  5. Step 5: Solve for x
    x = 10,240,560,240.53/116,622.80
  6. Step 6: Final answer
    x = 87,809.25

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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.