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Finding the Fourth Proportional to 126,608.95, 174,718.93 and 69,249.92

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Solution

The fourth proportional to 126,608.95, 174,718.93 and 69,249.92 is: 95,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,608.95 : 174,718.93 = 69,249.92 : x
  2. Step 2: Convert to fraction form
    126,608.95/174,718.93 = 69,249.92/x
  3. Step 3: Cross multiply
    126,608.95x = 174,718.93 × 69,249.92
  4. Step 4: Simplify right side
    126,608.95x = 12,099,271,008.11
  5. Step 5: Solve for x
    x = 12,099,271,008.11/126,608.95
  6. Step 6: Final answer
    x = 95,564.11

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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.