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Finding the Fourth Proportional to 227,630.25, 314,124.21 and 125,655.30

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Solution

The fourth proportional to 227,630.25, 314,124.21 and 125,655.30 is: 173,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,630.25 : 314,124.21 = 125,655.30 : x
  2. Step 2: Convert to fraction form
    227,630.25/314,124.21 = 125,655.30/x
  3. Step 3: Cross multiply
    227,630.25x = 314,124.21 × 125,655.30
  4. Step 4: Simplify right side
    227,630.25x = 39,471,371,844.81
  5. Step 5: Solve for x
    x = 39,471,371,844.81/227,630.25
  6. Step 6: Final answer
    x = 173,401.26

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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.