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Finding the Fourth Proportional to 230,873.20, 346,050.60 and 97,730.80

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Solution

The fourth proportional to 230,873.20, 346,050.60 and 97,730.80 is: 146,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,873.20 : 346,050.60 = 97,730.80 : x
  2. Step 2: Convert to fraction form
    230,873.20/346,050.60 = 97,730.80/x
  3. Step 3: Cross multiply
    230,873.20x = 346,050.60 × 97,730.80
  4. Step 4: Simplify right side
    230,873.20x = 33,819,801,978.48
  5. Step 5: Solve for x
    x = 33,819,801,978.48/230,873.20
  6. Step 6: Final answer
    x = 146,486.48

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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.