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Finding the Fourth Proportional to 223,381.32, 335,113.49 and 73,632.09

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Solution

The fourth proportional to 223,381.32, 335,113.49 and 73,632.09 is: 110,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,381.32 : 335,113.49 = 73,632.09 : x
  2. Step 2: Convert to fraction form
    223,381.32/335,113.49 = 73,632.09/x
  3. Step 3: Cross multiply
    223,381.32x = 335,113.49 × 73,632.09
  4. Step 4: Simplify right side
    223,381.32x = 24,675,106,655.89
  5. Step 5: Solve for x
    x = 24,675,106,655.89/223,381.32
  6. Step 6: Final answer
    x = 110,461.82

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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.