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Finding the Fourth Proportional to 161,230.80, 241,846.20 and 42,914.10

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Solution

The fourth proportional to 161,230.80, 241,846.20 and 42,914.10 is: 64,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,230.80 : 241,846.20 = 42,914.10 : x
  2. Step 2: Convert to fraction form
    161,230.80/241,846.20 = 42,914.10/x
  3. Step 3: Cross multiply
    161,230.80x = 241,846.20 × 42,914.10
  4. Step 4: Simplify right side
    161,230.80x = 10,378,612,011.42
  5. Step 5: Solve for x
    x = 10,378,612,011.42/161,230.80
  6. Step 6: Final answer
    x = 64,371.15

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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.