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Finding the Fourth Proportional to 223,188.30, 334,785.17 and 65,419.94

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Solution

The fourth proportional to 223,188.30, 334,785.17 and 65,419.94 is: 98,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,188.30 : 334,785.17 = 65,419.94 : x
  2. Step 2: Convert to fraction form
    223,188.30/334,785.17 = 65,419.94/x
  3. Step 3: Cross multiply
    223,188.30x = 334,785.17 × 65,419.94
  4. Step 4: Simplify right side
    223,188.30x = 21,901,626,734.80
  5. Step 5: Solve for x
    x = 21,901,626,734.80/223,188.30
  6. Step 6: Final answer
    x = 98,130.71

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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.