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Finding the Fourth Proportional to 216,500.92, 298,748.46 and 125,840.44

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Solution

The fourth proportional to 216,500.92, 298,748.46 and 125,840.44 is: 173,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500.92 : 298,748.46 = 125,840.44 : x
  2. Step 2: Convert to fraction form
    216,500.92/298,748.46 = 125,840.44/x
  3. Step 3: Cross multiply
    216,500.92x = 298,748.46 × 125,840.44
  4. Step 4: Simplify right side
    216,500.92x = 37,594,637,655.72
  5. Step 5: Solve for x
    x = 37,594,637,655.72/216,500.92
  6. Step 6: Final answer
    x = 173,646.55

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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.