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Finding the Fourth Proportional to 232,202.70, 348,304.05 and 138,890.70

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Solution

The fourth proportional to 232,202.70, 348,304.05 and 138,890.70 is: 208,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,202.70 : 348,304.05 = 138,890.70 : x
  2. Step 2: Convert to fraction form
    232,202.70/348,304.05 = 138,890.70/x
  3. Step 3: Cross multiply
    232,202.70x = 348,304.05 × 138,890.70
  4. Step 4: Simplify right side
    232,202.70x = 48,376,193,317.34
  5. Step 5: Solve for x
    x = 48,376,193,317.34/232,202.70
  6. Step 6: Final answer
    x = 208,336.05

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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.