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Finding the Fourth Proportional to 162,013.92, 242,998.48 and 43,692.40

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Solution

The fourth proportional to 162,013.92, 242,998.48 and 43,692.40 is: 65,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,013.92 : 242,998.48 = 43,692.40 : x
  2. Step 2: Convert to fraction form
    162,013.92/242,998.48 = 43,692.40/x
  3. Step 3: Cross multiply
    162,013.92x = 242,998.48 × 43,692.40
  4. Step 4: Simplify right side
    162,013.92x = 10,617,186,787.55
  5. Step 5: Solve for x
    x = 10,617,186,787.55/162,013.92
  6. Step 6: Final answer
    x = 65,532.56

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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.