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Finding the Fourth Proportional to 220,914.92, 304,871.24 and 125,430.52

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Solution

The fourth proportional to 220,914.92, 304,871.24 and 125,430.52 is: 173,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,914.92 : 304,871.24 = 125,430.52 : x
  2. Step 2: Convert to fraction form
    220,914.92/304,871.24 = 125,430.52/x
  3. Step 3: Cross multiply
    220,914.92x = 304,871.24 × 125,430.52
  4. Step 4: Simplify right side
    220,914.92x = 38,240,158,166.24
  5. Step 5: Solve for x
    x = 38,240,158,166.24/220,914.92
  6. Step 6: Final answer
    x = 173,099.03

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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.