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Finding the Fourth Proportional to 227,484.20, 313,929.28 and 125,509.64

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Solution

The fourth proportional to 227,484.20, 313,929.28 and 125,509.64 is: 173,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,484.20 : 313,929.28 = 125,509.64 : x
  2. Step 2: Convert to fraction form
    227,484.20/313,929.28 = 125,509.64/x
  3. Step 3: Cross multiply
    227,484.20x = 313,929.28 × 125,509.64
  4. Step 4: Simplify right side
    227,484.20x = 39,401,150,918.26
  5. Step 5: Solve for x
    x = 39,401,150,918.26/227,484.20
  6. Step 6: Final answer
    x = 173,203.90

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1.5x scale

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.