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Finding the Fourth Proportional to 84,294.29, 126,459.66 and 44,845.67

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Solution

The fourth proportional to 84,294.29, 126,459.66 and 44,845.67 is: 67,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,294.29 : 126,459.66 = 44,845.67 : x
  2. Step 2: Convert to fraction form
    84,294.29/126,459.66 = 44,845.67/x
  3. Step 3: Cross multiply
    84,294.29x = 126,459.66 × 44,845.67
  4. Step 4: Simplify right side
    84,294.29x = 5,671,168,180.67
  5. Step 5: Solve for x
    x = 5,671,168,180.67/84,294.29
  6. Step 6: Final answer
    x = 67,278.20

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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.