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Finding the Fourth Proportional to 232,638.96, 349,132.32 and 90,506.64

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Solution

The fourth proportional to 232,638.96, 349,132.32 and 90,506.64 is: 135,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,638.96 : 349,132.32 = 90,506.64 : x
  2. Step 2: Convert to fraction form
    232,638.96/349,132.32 = 90,506.64/x
  3. Step 3: Cross multiply
    232,638.96x = 349,132.32 × 90,506.64
  4. Step 4: Simplify right side
    232,638.96x = 31,598,793,198.60
  5. Step 5: Solve for x
    x = 31,598,793,198.60/232,638.96
  6. Step 6: Final answer
    x = 135,827.61

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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.