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Finding the Fourth Proportional to 234,387.50, 351,581.34 and 65,925.73

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Solution

The fourth proportional to 234,387.50, 351,581.34 and 65,925.73 is: 98,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,387.50 : 351,581.34 = 65,925.73 : x
  2. Step 2: Convert to fraction form
    234,387.50/351,581.34 = 65,925.73/x
  3. Step 3: Cross multiply
    234,387.50x = 351,581.34 × 65,925.73
  4. Step 4: Simplify right side
    234,387.50x = 23,178,256,493.88
  5. Step 5: Solve for x
    x = 23,178,256,493.88/234,387.50
  6. Step 6: Final answer
    x = 98,888.62

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1.5x scale

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.