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Finding the Fourth Proportional to 185,954.13, 256,617.59 and 101,071.13

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Solution

The fourth proportional to 185,954.13, 256,617.59 and 101,071.13 is: 139,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,954.13 : 256,617.59 = 101,071.13 : x
  2. Step 2: Convert to fraction form
    185,954.13/256,617.59 = 101,071.13/x
  3. Step 3: Cross multiply
    185,954.13x = 256,617.59 × 101,071.13
  4. Step 4: Simplify right side
    185,954.13x = 25,936,628,010.73
  5. Step 5: Solve for x
    x = 25,936,628,010.73/185,954.13
  6. Step 6: Final answer
    x = 139,478.63

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1.5x scale

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.