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Finding the Fourth Proportional to 117,470.60, 162,107.10 and 66,482.41

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Solution

The fourth proportional to 117,470.60, 162,107.10 and 66,482.41 is: 91,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,470.60 : 162,107.10 = 66,482.41 : x
  2. Step 2: Convert to fraction form
    117,470.60/162,107.10 = 66,482.41/x
  3. Step 3: Cross multiply
    117,470.60x = 162,107.10 × 66,482.41
  4. Step 4: Simplify right side
    117,470.60x = 10,777,270,590.56
  5. Step 5: Solve for x
    x = 10,777,270,590.56/117,470.60
  6. Step 6: Final answer
    x = 91,744.40

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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.