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Finding the Fourth Proportional to 160,604.13, 221,640.80 and 88,984.13

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Solution

The fourth proportional to 160,604.13, 221,640.80 and 88,984.13 is: 122,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,604.13 : 221,640.80 = 88,984.13 : x
  2. Step 2: Convert to fraction form
    160,604.13/221,640.80 = 88,984.13/x
  3. Step 3: Cross multiply
    160,604.13x = 221,640.80 × 88,984.13
  4. Step 4: Simplify right side
    160,604.13x = 19,722,513,760.50
  5. Step 5: Solve for x
    x = 19,722,513,760.50/160,604.13
  6. Step 6: Final answer
    x = 122,802.03

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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.