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Finding the Fourth Proportional to 108,082.20, 162,026.10 and 70,660.20

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Solution

The fourth proportional to 108,082.20, 162,026.10 and 70,660.20 is: 105,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,082.20 : 162,026.10 = 70,660.20 : x
  2. Step 2: Convert to fraction form
    108,082.20/162,026.10 = 70,660.20/x
  3. Step 3: Cross multiply
    108,082.20x = 162,026.10 × 70,660.20
  4. Step 4: Simplify right side
    108,082.20x = 11,448,796,631.22
  5. Step 5: Solve for x
    x = 11,448,796,631.22/108,082.20
  6. Step 6: Final answer
    x = 105,926.75

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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.