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Finding the Fourth Proportional to 363,238.74, 544,719.87 and 166,108.50

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Solution

The fourth proportional to 363,238.74, 544,719.87 and 166,108.50 is: 249,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,238.74 : 544,719.87 = 166,108.50 : x
  2. Step 2: Convert to fraction form
    363,238.74/544,719.87 = 166,108.50/x
  3. Step 3: Cross multiply
    363,238.74x = 544,719.87 × 166,108.50
  4. Step 4: Simplify right side
    363,238.74x = 90,482,600,525.90
  5. Step 5: Solve for x
    x = 90,482,600,525.90/363,238.74
  6. Step 6: Final answer
    x = 249,099.53

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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.