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Finding the Fourth Proportional to 160,011.68, 240,016.65 and 65,241.49

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Solution

The fourth proportional to 160,011.68, 240,016.65 and 65,241.49 is: 97,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,011.68 : 240,016.65 = 65,241.49 : x
  2. Step 2: Convert to fraction form
    160,011.68/240,016.65 = 65,241.49/x
  3. Step 3: Cross multiply
    160,011.68x = 240,016.65 × 65,241.49
  4. Step 4: Simplify right side
    160,011.68x = 15,659,043,701.16
  5. Step 5: Solve for x
    x = 15,659,043,701.16/160,011.68
  6. Step 6: Final answer
    x = 97,861.88

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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.