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Finding the Fourth Proportional to 223,423.88, 335,030.52 and 81,168.82

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Solution

The fourth proportional to 223,423.88, 335,030.52 and 81,168.82 is: 121,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,423.88 : 335,030.52 = 81,168.82 : x
  2. Step 2: Convert to fraction form
    223,423.88/335,030.52 = 81,168.82/x
  3. Step 3: Cross multiply
    223,423.88x = 335,030.52 × 81,168.82
  4. Step 4: Simplify right side
    223,423.88x = 27,194,031,972.39
  5. Step 5: Solve for x
    x = 27,194,031,972.39/223,423.88
  6. Step 6: Final answer
    x = 121,714.98

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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.