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Finding the Fourth Proportional to 161,168.80, 241,753.20 and 55,998.40

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Solution

The fourth proportional to 161,168.80, 241,753.20 and 55,998.40 is: 83,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,168.80 : 241,753.20 = 55,998.40 : x
  2. Step 2: Convert to fraction form
    161,168.80/241,753.20 = 55,998.40/x
  3. Step 3: Cross multiply
    161,168.80x = 241,753.20 × 55,998.40
  4. Step 4: Simplify right side
    161,168.80x = 13,537,792,394.88
  5. Step 5: Solve for x
    x = 13,537,792,394.88/161,168.80
  6. Step 6: Final answer
    x = 83,997.60

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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.