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Finding the Fourth Proportional to 223,571.88, 335,031.76 and 103,665.50

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Solution

The fourth proportional to 223,571.88, 335,031.76 and 103,665.50 is: 155,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,571.88 : 335,031.76 = 103,665.50 : x
  2. Step 2: Convert to fraction form
    223,571.88/335,031.76 = 103,665.50/x
  3. Step 3: Cross multiply
    223,571.88x = 335,031.76 × 103,665.50
  4. Step 4: Simplify right side
    223,571.88x = 34,731,234,916.28
  5. Step 5: Solve for x
    x = 34,731,234,916.28/223,571.88
  6. Step 6: Final answer
    x = 155,347.06

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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.