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Finding the Fourth Proportional to 225,310.48, 310,907.19 and 134,648.39

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Solution

The fourth proportional to 225,310.48, 310,907.19 and 134,648.39 is: 185,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,310.48 : 310,907.19 = 134,648.39 : x
  2. Step 2: Convert to fraction form
    225,310.48/310,907.19 = 134,648.39/x
  3. Step 3: Cross multiply
    225,310.48x = 310,907.19 × 134,648.39
  4. Step 4: Simplify right side
    225,310.48x = 41,863,153,350.19
  5. Step 5: Solve for x
    x = 41,863,153,350.19/225,310.48
  6. Step 6: Final answer
    x = 185,802.07

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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.