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Finding the Fourth Proportional to 110,139.75, 151,992.86 and 59,838.75

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Solution

The fourth proportional to 110,139.75, 151,992.86 and 59,838.75 is: 82,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,139.75 : 151,992.86 = 59,838.75 : x
  2. Step 2: Convert to fraction form
    110,139.75/151,992.86 = 59,838.75/x
  3. Step 3: Cross multiply
    110,139.75x = 151,992.86 × 59,838.75
  4. Step 4: Simplify right side
    110,139.75x = 9,095,062,452.13
  5. Step 5: Solve for x
    x = 9,095,062,452.13/110,139.75
  6. Step 6: Final answer
    x = 82,577.48

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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.