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Finding the Fourth Proportional to 223,887, 335,823.60 and 90,731.52

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Solution

The fourth proportional to 223,887, 335,823.60 and 90,731.52 is: 136,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,887 : 335,823.60 = 90,731.52 : x
  2. Step 2: Convert to fraction form
    223,887/335,823.60 = 90,731.52/x
  3. Step 3: Cross multiply
    223,887x = 335,823.60 × 90,731.52
  4. Step 4: Simplify right side
    223,887x = 30,469,785,679.87
  5. Step 5: Solve for x
    x = 30,469,785,679.87/223,887
  6. Step 6: Final answer
    x = 136,094.48

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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.