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Finding the Fourth Proportional to 182,747.40, 274,121.10 and 64,430.70

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Solution

The fourth proportional to 182,747.40, 274,121.10 and 64,430.70 is: 96,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,747.40 : 274,121.10 = 64,430.70 : x
  2. Step 2: Convert to fraction form
    182,747.40/274,121.10 = 64,430.70/x
  3. Step 3: Cross multiply
    182,747.40x = 274,121.10 × 64,430.70
  4. Step 4: Simplify right side
    182,747.40x = 17,661,814,357.77
  5. Step 5: Solve for x
    x = 17,661,814,357.77/182,747.40
  6. Step 6: Final answer
    x = 96,646.05

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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.