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Finding the Fourth Proportional to 105,425.01, 157,463.26 and 95,414.49

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Solution

The fourth proportional to 105,425.01, 157,463.26 and 95,414.49 is: 142,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,425.01 : 157,463.26 = 95,414.49 : x
  2. Step 2: Convert to fraction form
    105,425.01/157,463.26 = 95,414.49/x
  3. Step 3: Cross multiply
    105,425.01x = 157,463.26 × 95,414.49
  4. Step 4: Simplify right side
    105,425.01x = 15,024,276,408.10
  5. Step 5: Solve for x
    x = 15,024,276,408.10/105,425.01
  6. Step 6: Final answer
    x = 142,511.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.