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Finding the Fourth Proportional to 223,840.31, 335,796.93 and 66,084.71

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Solution

The fourth proportional to 223,840.31, 335,796.93 and 66,084.71 is: 99,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,840.31 : 335,796.93 = 66,084.71 : x
  2. Step 2: Convert to fraction form
    223,840.31/335,796.93 = 66,084.71/x
  3. Step 3: Cross multiply
    223,840.31x = 335,796.93 × 66,084.71
  4. Step 4: Simplify right side
    223,840.31x = 22,191,041,058.96
  5. Step 5: Solve for x
    x = 22,191,041,058.96/223,840.31
  6. Step 6: Final answer
    x = 99,137.83

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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.