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Finding the Fourth Proportional to 159,500.40, 239,231.40 and 65,996.40

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Solution

The fourth proportional to 159,500.40, 239,231.40 and 65,996.40 is: 98,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,500.40 : 239,231.40 = 65,996.40 : x
  2. Step 2: Convert to fraction form
    159,500.40/239,231.40 = 65,996.40/x
  3. Step 3: Cross multiply
    159,500.40x = 239,231.40 × 65,996.40
  4. Step 4: Simplify right side
    159,500.40x = 15,788,411,166.96
  5. Step 5: Solve for x
    x = 15,788,411,166.96/159,500.40
  6. Step 6: Final answer
    x = 98,986.66

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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.