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Finding the Fourth Proportional to 223,188.80, 334,785.92 and 65,420.44

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Solution

The fourth proportional to 223,188.80, 334,785.92 and 65,420.44 is: 98,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,188.80 : 334,785.92 = 65,420.44 : x
  2. Step 2: Convert to fraction form
    223,188.80/334,785.92 = 65,420.44/x
  3. Step 3: Cross multiply
    223,188.80x = 334,785.92 × 65,420.44
  4. Step 4: Simplify right side
    223,188.80x = 21,901,843,192.72
  5. Step 5: Solve for x
    x = 21,901,843,192.72/223,188.80
  6. Step 6: Final answer
    x = 98,131.46

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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.