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Finding the Fourth Proportional to 331,841.60, 497,762.40 and 95,163.20

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Solution

The fourth proportional to 331,841.60, 497,762.40 and 95,163.20 is: 142,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,841.60 : 497,762.40 = 95,163.20 : x
  2. Step 2: Convert to fraction form
    331,841.60/497,762.40 = 95,163.20/x
  3. Step 3: Cross multiply
    331,841.60x = 497,762.40 × 95,163.20
  4. Step 4: Simplify right side
    331,841.60x = 47,368,662,823.68
  5. Step 5: Solve for x
    x = 47,368,662,823.68/331,841.60
  6. Step 6: Final answer
    x = 142,744.80

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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.