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Finding the Fourth Proportional to 365,847.90, 548,512.65 and 166,263.90

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Solution

The fourth proportional to 365,847.90, 548,512.65 and 166,263.90 is: 249,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,847.90 : 548,512.65 = 166,263.90 : x
  2. Step 2: Convert to fraction form
    365,847.90/548,512.65 = 166,263.90/x
  3. Step 3: Cross multiply
    365,847.90x = 548,512.65 × 166,263.90
  4. Step 4: Simplify right side
    365,847.90x = 91,197,852,388.34
  5. Step 5: Solve for x
    x = 91,197,852,388.34/365,847.90
  6. Step 6: Final answer
    x = 249,278.05

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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.