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Finding the Fourth Proportional to 432,234.60, 648,300.87 and 116,716.11

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Solution

The fourth proportional to 432,234.60, 648,300.87 and 116,716.11 is: 175,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,234.60 : 648,300.87 = 116,716.11 : x
  2. Step 2: Convert to fraction form
    432,234.60/648,300.87 = 116,716.11/x
  3. Step 3: Cross multiply
    432,234.60x = 648,300.87 × 116,716.11
  4. Step 4: Simplify right side
    432,234.60x = 75,667,155,656.02
  5. Step 5: Solve for x
    x = 75,667,155,656.02/432,234.60
  6. Step 6: Final answer
    x = 175,060.39

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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.