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Finding the Fourth Proportional to 225,702, 338,573.52 and 59,490

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Solution

The fourth proportional to 225,702, 338,573.52 and 59,490 is: 89,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,702 : 338,573.52 = 59,490 : x
  2. Step 2: Convert to fraction form
    225,702/338,573.52 = 59,490/x
  3. Step 3: Cross multiply
    225,702x = 338,573.52 × 59,490
  4. Step 4: Simplify right side
    225,702x = 20,141,738,704.80
  5. Step 5: Solve for x
    x = 20,141,738,704.80/225,702
  6. Step 6: Final answer
    x = 89,240.41

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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.