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Finding the Fourth Proportional to 262,201.50, 361,848.90 and 147,485.52

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Solution

The fourth proportional to 262,201.50, 361,848.90 and 147,485.52 is: 203,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,201.50 : 361,848.90 = 147,485.52 : x
  2. Step 2: Convert to fraction form
    262,201.50/361,848.90 = 147,485.52/x
  3. Step 3: Cross multiply
    262,201.50x = 361,848.90 × 147,485.52
  4. Step 4: Simplify right side
    262,201.50x = 53,367,473,731.00
  5. Step 5: Solve for x
    x = 53,367,473,731.00/262,201.50
  6. Step 6: Final answer
    x = 203,536.11

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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.