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Finding the Fourth Proportional to 105,006.48, 157,331.52 and 63,366

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Solution

The fourth proportional to 105,006.48, 157,331.52 and 63,366 is: 94,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,006.48 : 157,331.52 = 63,366 : x
  2. Step 2: Convert to fraction form
    105,006.48/157,331.52 = 63,366/x
  3. Step 3: Cross multiply
    105,006.48x = 157,331.52 × 63,366
  4. Step 4: Simplify right side
    105,006.48x = 9,969,469,096.32
  5. Step 5: Solve for x
    x = 9,969,469,096.32/105,006.48
  6. Step 6: Final answer
    x = 94,941.47

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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.