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Finding the Fourth Proportional to 100,096.88, 138,111.78 and 59,804.60

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Solution

The fourth proportional to 100,096.88, 138,111.78 and 59,804.60 is: 82,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,096.88 : 138,111.78 = 59,804.60 : x
  2. Step 2: Convert to fraction form
    100,096.88/138,111.78 = 59,804.60/x
  3. Step 3: Cross multiply
    100,096.88x = 138,111.78 × 59,804.60
  4. Step 4: Simplify right side
    100,096.88x = 8,259,719,758.19
  5. Step 5: Solve for x
    x = 8,259,719,758.19/100,096.88
  6. Step 6: Final answer
    x = 82,517.25

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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.