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Finding the Fourth Proportional to 169,867.08, 254,804.22 and 61,792.80

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Solution

The fourth proportional to 169,867.08, 254,804.22 and 61,792.80 is: 92,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,867.08 : 254,804.22 = 61,792.80 : x
  2. Step 2: Convert to fraction form
    169,867.08/254,804.22 = 61,792.80/x
  3. Step 3: Cross multiply
    169,867.08x = 254,804.22 × 61,792.80
  4. Step 4: Simplify right side
    169,867.08x = 15,745,066,205.62
  5. Step 5: Solve for x
    x = 15,745,066,205.62/169,867.08
  6. Step 6: Final answer
    x = 92,690.51

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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.