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Finding the Fourth Proportional to 83,188.92, 124,832.52 and 43,749.08

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Solution

The fourth proportional to 83,188.92, 124,832.52 and 43,749.08 is: 65,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,188.92 : 124,832.52 = 43,749.08 : x
  2. Step 2: Convert to fraction form
    83,188.92/124,832.52 = 43,749.08/x
  3. Step 3: Cross multiply
    83,188.92x = 124,832.52 × 43,749.08
  4. Step 4: Simplify right side
    83,188.92x = 5,461,307,904.08
  5. Step 5: Solve for x
    x = 5,461,307,904.08/83,188.92
  6. Step 6: Final answer
    x = 65,649.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.