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Finding the Fourth Proportional to 60,919.92, 84,079.20 and 37,054.08

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Solution

The fourth proportional to 60,919.92, 84,079.20 and 37,054.08 is: 51,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,919.92 : 84,079.20 = 37,054.08 : x
  2. Step 2: Convert to fraction form
    60,919.92/84,079.20 = 37,054.08/x
  3. Step 3: Cross multiply
    60,919.92x = 84,079.20 × 37,054.08
  4. Step 4: Simplify right side
    60,919.92x = 3,115,477,403.14
  5. Step 5: Solve for x
    x = 3,115,477,403.14/60,919.92
  6. Step 6: Final answer
    x = 51,140.54

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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.