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Finding the Fourth Proportional to 116,000.80, 174,001.20 and 66,234.40

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Solution

The fourth proportional to 116,000.80, 174,001.20 and 66,234.40 is: 99,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,000.80 : 174,001.20 = 66,234.40 : x
  2. Step 2: Convert to fraction form
    116,000.80/174,001.20 = 66,234.40/x
  3. Step 3: Cross multiply
    116,000.80x = 174,001.20 × 66,234.40
  4. Step 4: Simplify right side
    116,000.80x = 11,524,865,081.28
  5. Step 5: Solve for x
    x = 11,524,865,081.28/116,000.80
  6. Step 6: Final answer
    x = 99,351.60

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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.