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Finding the Fourth Proportional to 203,377.98, 280,671.90 and 117,304.94

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Solution

The fourth proportional to 203,377.98, 280,671.90 and 117,304.94 is: 161,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,377.98 : 280,671.90 = 117,304.94 : x
  2. Step 2: Convert to fraction form
    203,377.98/280,671.90 = 117,304.94/x
  3. Step 3: Cross multiply
    203,377.98x = 280,671.90 × 117,304.94
  4. Step 4: Simplify right side
    203,377.98x = 32,924,200,389.19
  5. Step 5: Solve for x
    x = 32,924,200,389.19/203,377.98
  6. Step 6: Final answer
    x = 161,886.75

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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.