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Finding the Fourth Proportional to 292,224.62, 438,361.89 and 102,668.52

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Solution

The fourth proportional to 292,224.62, 438,361.89 and 102,668.52 is: 154,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,224.62 : 438,361.89 = 102,668.52 : x
  2. Step 2: Convert to fraction form
    292,224.62/438,361.89 = 102,668.52/x
  3. Step 3: Cross multiply
    292,224.62x = 438,361.89 × 102,668.52
  4. Step 4: Simplify right side
    292,224.62x = 45,005,966,470.70
  5. Step 5: Solve for x
    x = 45,005,966,470.70/292,224.62
  6. Step 6: Final answer
    x = 154,011.55

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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.