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Finding the Fourth Proportional to 117,470.00, 162,109.17 and 63,755.07

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Solution

The fourth proportional to 117,470.00, 162,109.17 and 63,755.07 is: 87,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,470.00 : 162,109.17 = 63,755.07 : x
  2. Step 2: Convert to fraction form
    117,470.00/162,109.17 = 63,755.07/x
  3. Step 3: Cross multiply
    117,470.00x = 162,109.17 × 63,755.07
  4. Step 4: Simplify right side
    117,470.00x = 10,335,282,420.19
  5. Step 5: Solve for x
    x = 10,335,282,420.19/117,470.00
  6. Step 6: Final answer
    x = 87,982.32

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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.