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Finding the Fourth Proportional to 161,481, 242,226.16 and 43,152.52

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Solution

The fourth proportional to 161,481, 242,226.16 and 43,152.52 is: 64,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,481 : 242,226.16 = 43,152.52 : x
  2. Step 2: Convert to fraction form
    161,481/242,226.16 = 43,152.52/x
  3. Step 3: Cross multiply
    161,481x = 242,226.16 × 43,152.52
  4. Step 4: Simplify right side
    161,481x = 10,452,669,213.92
  5. Step 5: Solve for x
    x = 10,452,669,213.92/161,481
  6. Step 6: Final answer
    x = 64,730.03

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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.