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Finding the Fourth Proportional to 162,428.49, 224,144.92 and 89,826.67

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Solution

The fourth proportional to 162,428.49, 224,144.92 and 89,826.67 is: 123,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,428.49 : 224,144.92 = 89,826.67 : x
  2. Step 2: Convert to fraction form
    162,428.49/224,144.92 = 89,826.67/x
  3. Step 3: Cross multiply
    162,428.49x = 224,144.92 × 89,826.67
  4. Step 4: Simplify right side
    162,428.49x = 20,134,192,153.48
  5. Step 5: Solve for x
    x = 20,134,192,153.48/162,428.49
  6. Step 6: Final answer
    x = 123,957.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.