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Finding the Fourth Proportional to 227,393.76, 313,804.62 and 125,422.80

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Solution

The fourth proportional to 227,393.76, 313,804.62 and 125,422.80 is: 173,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,393.76 : 313,804.62 = 125,422.80 : x
  2. Step 2: Convert to fraction form
    227,393.76/313,804.62 = 125,422.80/x
  3. Step 3: Cross multiply
    227,393.76x = 313,804.62 × 125,422.80
  4. Step 4: Simplify right side
    227,393.76x = 39,358,254,093.34
  5. Step 5: Solve for x
    x = 39,358,254,093.34/227,393.76
  6. Step 6: Final answer
    x = 173,084.14

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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.