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Finding the Fourth Proportional to 185,954.22, 256,617.18 and 101,071.08

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Solution

The fourth proportional to 185,954.22, 256,617.18 and 101,071.08 is: 139,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,954.22 : 256,617.18 = 101,071.08 : x
  2. Step 2: Convert to fraction form
    185,954.22/256,617.18 = 101,071.08/x
  3. Step 3: Cross multiply
    185,954.22x = 256,617.18 × 101,071.08
  4. Step 4: Simplify right side
    185,954.22x = 25,936,575,529.15
  5. Step 5: Solve for x
    x = 25,936,575,529.15/185,954.22
  6. Step 6: Final answer
    x = 139,478.28

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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.