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Finding the Fourth Proportional to 251,332.70, 346,784.06 and 149,392.04

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Solution

The fourth proportional to 251,332.70, 346,784.06 and 149,392.04 is: 206,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,332.70 : 346,784.06 = 149,392.04 : x
  2. Step 2: Convert to fraction form
    251,332.70/346,784.06 = 149,392.04/x
  3. Step 3: Cross multiply
    251,332.70x = 346,784.06 × 149,392.04
  4. Step 4: Simplify right side
    251,332.70x = 51,806,776,802.44
  5. Step 5: Solve for x
    x = 51,806,776,802.44/251,332.70
  6. Step 6: Final answer
    x = 206,128.28

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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.