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Finding the Fourth Proportional to 223,090.78, 334,510.42 and 73,290.85

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Solution

The fourth proportional to 223,090.78, 334,510.42 and 73,290.85 is: 109,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,090.78 : 334,510.42 = 73,290.85 : x
  2. Step 2: Convert to fraction form
    223,090.78/334,510.42 = 73,290.85/x
  3. Step 3: Cross multiply
    223,090.78x = 334,510.42 × 73,290.85
  4. Step 4: Simplify right side
    223,090.78x = 24,516,552,485.94
  5. Step 5: Solve for x
    x = 24,516,552,485.94/223,090.78
  6. Step 6: Final answer
    x = 109,894.96

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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.