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Finding the Fourth Proportional to 223,765.59, 335,615.08 and 74,006.72

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Solution

The fourth proportional to 223,765.59, 335,615.08 and 74,006.72 is: 110,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,765.59 : 335,615.08 = 74,006.72 : x
  2. Step 2: Convert to fraction form
    223,765.59/335,615.08 = 74,006.72/x
  3. Step 3: Cross multiply
    223,765.59x = 335,615.08 × 74,006.72
  4. Step 4: Simplify right side
    223,765.59x = 24,837,771,253.34
  5. Step 5: Solve for x
    x = 24,837,771,253.34/223,765.59
  6. Step 6: Final answer
    x = 110,999.06

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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.