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Finding the Fourth Proportional to 216,385.52, 324,094.28 and 125,089.06

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Solution

The fourth proportional to 216,385.52, 324,094.28 and 125,089.06 is: 187,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,385.52 : 324,094.28 = 125,089.06 : x
  2. Step 2: Convert to fraction form
    216,385.52/324,094.28 = 125,089.06/x
  3. Step 3: Cross multiply
    216,385.52x = 324,094.28 × 125,089.06
  4. Step 4: Simplify right side
    216,385.52x = 40,540,648,836.58
  5. Step 5: Solve for x
    x = 40,540,648,836.58/216,385.52
  6. Step 6: Final answer
    x = 187,353.80

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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.