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Finding the Fourth Proportional to 235,366.13, 353,046.11 and 57,874.67

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Solution

The fourth proportional to 235,366.13, 353,046.11 and 57,874.67 is: 86,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,366.13 : 353,046.11 = 57,874.67 : x
  2. Step 2: Convert to fraction form
    235,366.13/353,046.11 = 57,874.67/x
  3. Step 3: Cross multiply
    235,366.13x = 353,046.11 × 57,874.67
  4. Step 4: Simplify right side
    235,366.13x = 20,432,427,111.03
  5. Step 5: Solve for x
    x = 20,432,427,111.03/235,366.13
  6. Step 6: Final answer
    x = 86,811.25

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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.