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Finding the Fourth Proportional to 223,061.78, 334,645.32 and 73,302.50

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Solution

The fourth proportional to 223,061.78, 334,645.32 and 73,302.50 is: 109,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,061.78 : 334,645.32 = 73,302.50 : x
  2. Step 2: Convert to fraction form
    223,061.78/334,645.32 = 73,302.50/x
  3. Step 3: Cross multiply
    223,061.78x = 334,645.32 × 73,302.50
  4. Step 4: Simplify right side
    223,061.78x = 24,530,338,569.30
  5. Step 5: Solve for x
    x = 24,530,338,569.30/223,061.78
  6. Step 6: Final answer
    x = 109,971.05

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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.