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Finding the Fourth Proportional to 294,117.20, 440,830.20 and 125,637.20

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Solution

The fourth proportional to 294,117.20, 440,830.20 and 125,637.20 is: 188,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,117.20 : 440,830.20 = 125,637.20 : x
  2. Step 2: Convert to fraction form
    294,117.20/440,830.20 = 125,637.20/x
  3. Step 3: Cross multiply
    294,117.20x = 440,830.20 × 125,637.20
  4. Step 4: Simplify right side
    294,117.20x = 55,384,672,003.44
  5. Step 5: Solve for x
    x = 55,384,672,003.44/294,117.20
  6. Step 6: Final answer
    x = 188,308.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.