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Finding the Fourth Proportional to 83,190.92, 124,835.52 and 43,751.08

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Solution

The fourth proportional to 83,190.92, 124,835.52 and 43,751.08 is: 65,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.92 : 124,835.52 = 43,751.08 : x
  2. Step 2: Convert to fraction form
    83,190.92/124,835.52 = 43,751.08/x
  3. Step 3: Cross multiply
    83,190.92x = 124,835.52 × 43,751.08
  4. Step 4: Simplify right side
    83,190.92x = 5,461,688,822.36
  5. Step 5: Solve for x
    x = 5,461,688,822.36/83,190.92
  6. Step 6: Final answer
    x = 65,652.46

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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.