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Finding the Fourth Proportional to 223,772.24, 335,542.80 and 65,980.64

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Solution

The fourth proportional to 223,772.24, 335,542.80 and 65,980.64 is: 98,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,772.24 : 335,542.80 = 65,980.64 : x
  2. Step 2: Convert to fraction form
    223,772.24/335,542.80 = 65,980.64/x
  3. Step 3: Cross multiply
    223,772.24x = 335,542.80 × 65,980.64
  4. Step 4: Simplify right side
    223,772.24x = 22,139,328,691.39
  5. Step 5: Solve for x
    x = 22,139,328,691.39/223,772.24
  6. Step 6: Final answer
    x = 98,936.89

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1.5x scale

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.