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Finding the Fourth Proportional to 229,755.44, 344,491.92 and 89,350.40

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Solution

The fourth proportional to 229,755.44, 344,491.92 and 89,350.40 is: 133,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,755.44 : 344,491.92 = 89,350.40 : x
  2. Step 2: Convert to fraction form
    229,755.44/344,491.92 = 89,350.40/x
  3. Step 3: Cross multiply
    229,755.44x = 344,491.92 × 89,350.40
  4. Step 4: Simplify right side
    229,755.44x = 30,780,490,848.77
  5. Step 5: Solve for x
    x = 30,780,490,848.77/229,755.44
  6. Step 6: Final answer
    x = 133,970.67

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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.