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Finding the Fourth Proportional to 225,786, 338,701.68 and 59,574

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Solution

The fourth proportional to 225,786, 338,701.68 and 59,574 is: 89,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,786 : 338,701.68 = 59,574 : x
  2. Step 2: Convert to fraction form
    225,786/338,701.68 = 59,574/x
  3. Step 3: Cross multiply
    225,786x = 338,701.68 × 59,574
  4. Step 4: Simplify right side
    225,786x = 20,177,813,884.32
  5. Step 5: Solve for x
    x = 20,177,813,884.32/225,786
  6. Step 6: Final answer
    x = 89,366.98

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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.