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Finding the Fourth Proportional to 161,996.85, 223,486.56 and 101,526.30

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Solution

The fourth proportional to 161,996.85, 223,486.56 and 101,526.30 is: 140,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,996.85 : 223,486.56 = 101,526.30 : x
  2. Step 2: Convert to fraction form
    161,996.85/223,486.56 = 101,526.30/x
  3. Step 3: Cross multiply
    161,996.85x = 223,486.56 × 101,526.30
  4. Step 4: Simplify right side
    161,996.85x = 22,689,763,536.53
  5. Step 5: Solve for x
    x = 22,689,763,536.53/161,996.85
  6. Step 6: Final answer
    x = 140,062.99

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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.