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Finding the Fourth Proportional to 240,648.95, 360,856.62 and 120,654.36

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Solution

The fourth proportional to 240,648.95, 360,856.62 and 120,654.36 is: 180,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,648.95 : 360,856.62 = 120,654.36 : x
  2. Step 2: Convert to fraction form
    240,648.95/360,856.62 = 120,654.36/x
  3. Step 3: Cross multiply
    240,648.95x = 360,856.62 × 120,654.36
  4. Step 4: Simplify right side
    240,648.95x = 43,538,924,537.86
  5. Step 5: Solve for x
    x = 43,538,924,537.86/240,648.95
  6. Step 6: Final answer
    x = 180,922.98

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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.