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Finding the Fourth Proportional to 223,572.88, 335,033.26 and 103,666.50

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Solution

The fourth proportional to 223,572.88, 335,033.26 and 103,666.50 is: 155,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,572.88 : 335,033.26 = 103,666.50 : x
  2. Step 2: Convert to fraction form
    223,572.88/335,033.26 = 103,666.50/x
  3. Step 3: Cross multiply
    223,572.88x = 335,033.26 × 103,666.50
  4. Step 4: Simplify right side
    223,572.88x = 34,731,725,447.79
  5. Step 5: Solve for x
    x = 34,731,725,447.79/223,572.88
  6. Step 6: Final answer
    x = 155,348.56

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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.