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Finding the Fourth Proportional to 133,445.98, 200,169.10 and 54,560.20

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Solution

The fourth proportional to 133,445.98, 200,169.10 and 54,560.20 is: 81,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,445.98 : 200,169.10 = 54,560.20 : x
  2. Step 2: Convert to fraction form
    133,445.98/200,169.10 = 54,560.20/x
  3. Step 3: Cross multiply
    133,445.98x = 200,169.10 × 54,560.20
  4. Step 4: Simplify right side
    133,445.98x = 10,921,266,129.82
  5. Step 5: Solve for x
    x = 10,921,266,129.82/133,445.98
  6. Step 6: Final answer
    x = 81,840.35

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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.