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Finding the Fourth Proportional to 222,919.04, 334,430.40 and 65,149.76

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Solution

The fourth proportional to 222,919.04, 334,430.40 and 65,149.76 is: 97,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,919.04 : 334,430.40 = 65,149.76 : x
  2. Step 2: Convert to fraction form
    222,919.04/334,430.40 = 65,149.76/x
  3. Step 3: Cross multiply
    222,919.04x = 334,430.40 × 65,149.76
  4. Step 4: Simplify right side
    222,919.04x = 21,788,060,296.70
  5. Step 5: Solve for x
    x = 21,788,060,296.70/222,919.04
  6. Step 6: Final answer
    x = 97,739.79

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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.