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Finding the Fourth Proportional to 347,951.13, 521,907.42 and 95,213.47

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Solution

The fourth proportional to 347,951.13, 521,907.42 and 95,213.47 is: 142,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,951.13 : 521,907.42 = 95,213.47 : x
  2. Step 2: Convert to fraction form
    347,951.13/521,907.42 = 95,213.47/x
  3. Step 3: Cross multiply
    347,951.13x = 521,907.42 × 95,213.47
  4. Step 4: Simplify right side
    347,951.13x = 49,692,616,476.95
  5. Step 5: Solve for x
    x = 49,692,616,476.95/347,951.13
  6. Step 6: Final answer
    x = 142,814.93

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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.