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Finding the Fourth Proportional to 232,487.30, 348,644.55 and 92,216.90

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Solution

The fourth proportional to 232,487.30, 348,644.55 and 92,216.90 is: 138,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,487.30 : 348,644.55 = 92,216.90 : x
  2. Step 2: Convert to fraction form
    232,487.30/348,644.55 = 92,216.90/x
  3. Step 3: Cross multiply
    232,487.30x = 348,644.55 × 92,216.90
  4. Step 4: Simplify right side
    232,487.30x = 32,150,919,602.90
  5. Step 5: Solve for x
    x = 32,150,919,602.90/232,487.30
  6. Step 6: Final answer
    x = 138,291.08

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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.