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Finding the Fourth Proportional to 227,029.84, 313,303.34 and 125,055.74

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Solution

The fourth proportional to 227,029.84, 313,303.34 and 125,055.74 is: 172,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,029.84 : 313,303.34 = 125,055.74 : x
  2. Step 2: Convert to fraction form
    227,029.84/313,303.34 = 125,055.74/x
  3. Step 3: Cross multiply
    227,029.84x = 313,303.34 × 125,055.74
  4. Step 4: Simplify right side
    227,029.84x = 39,180,380,402.89
  5. Step 5: Solve for x
    x = 39,180,380,402.89/227,029.84
  6. Step 6: Final answer
    x = 172,578.11

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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.