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Finding the Fourth Proportional to 222,751.10, 334,139.45 and 65,003.90

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Solution

The fourth proportional to 222,751.10, 334,139.45 and 65,003.90 is: 97,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,751.10 : 334,139.45 = 65,003.90 : x
  2. Step 2: Convert to fraction form
    222,751.10/334,139.45 = 65,003.90/x
  3. Step 3: Cross multiply
    222,751.10x = 334,139.45 × 65,003.90
  4. Step 4: Simplify right side
    222,751.10x = 21,720,367,393.86
  5. Step 5: Solve for x
    x = 21,720,367,393.86/222,751.10
  6. Step 6: Final answer
    x = 97,509.59

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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.