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Finding the Fourth Proportional to 177,820.80, 266,731.20 and 44,705.40

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Solution

The fourth proportional to 177,820.80, 266,731.20 and 44,705.40 is: 67,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,820.80 : 266,731.20 = 44,705.40 : x
  2. Step 2: Convert to fraction form
    177,820.80/266,731.20 = 44,705.40/x
  3. Step 3: Cross multiply
    177,820.80x = 266,731.20 × 44,705.40
  4. Step 4: Simplify right side
    177,820.80x = 11,924,324,988.48
  5. Step 5: Solve for x
    x = 11,924,324,988.48/177,820.80
  6. Step 6: Final answer
    x = 67,058.10

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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.