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Finding the Fourth Proportional to 223,750.71, 335,625.65 and 66,089.88

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Solution

The fourth proportional to 223,750.71, 335,625.65 and 66,089.88 is: 99,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,750.71 : 335,625.65 = 66,089.88 : x
  2. Step 2: Convert to fraction form
    223,750.71/335,625.65 = 66,089.88/x
  3. Step 3: Cross multiply
    223,750.71x = 335,625.65 × 66,089.88
  4. Step 4: Simplify right side
    223,750.71x = 22,181,458,602.97
  5. Step 5: Solve for x
    x = 22,181,458,602.97/223,750.71
  6. Step 6: Final answer
    x = 99,134.70

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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.