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Finding the Fourth Proportional to 225,336.68, 310,943.03 and 134,674.59

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Solution

The fourth proportional to 225,336.68, 310,943.03 and 134,674.59 is: 185,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,336.68 : 310,943.03 = 134,674.59 : x
  2. Step 2: Convert to fraction form
    225,336.68/310,943.03 = 134,674.59/x
  3. Step 3: Cross multiply
    225,336.68x = 310,943.03 × 134,674.59
  4. Step 4: Simplify right side
    225,336.68x = 41,876,124,405.23
  5. Step 5: Solve for x
    x = 41,876,124,405.23/225,336.68
  6. Step 6: Final answer
    x = 185,838.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.