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Finding the Fourth Proportional to 230,788.74, 346,148.48 and 72,996.69

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Solution

The fourth proportional to 230,788.74, 346,148.48 and 72,996.69 is: 109,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,788.74 : 346,148.48 = 72,996.69 : x
  2. Step 2: Convert to fraction form
    230,788.74/346,148.48 = 72,996.69/x
  3. Step 3: Cross multiply
    230,788.74x = 346,148.48 × 72,996.69
  4. Step 4: Simplify right side
    230,788.74x = 25,267,693,288.53
  5. Step 5: Solve for x
    x = 25,267,693,288.53/230,788.74
  6. Step 6: Final answer
    x = 109,484.08

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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.