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Finding the Fourth Proportional to 262,181.90, 361,766.31 and 147,430.82

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Solution

The fourth proportional to 262,181.90, 361,766.31 and 147,430.82 is: 203,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,181.90 : 361,766.31 = 147,430.82 : x
  2. Step 2: Convert to fraction form
    262,181.90/361,766.31 = 147,430.82/x
  3. Step 3: Cross multiply
    262,181.90x = 361,766.31 × 147,430.82
  4. Step 4: Simplify right side
    262,181.90x = 53,335,503,731.67
  5. Step 5: Solve for x
    x = 53,335,503,731.67/262,181.90
  6. Step 6: Final answer
    x = 203,429.39

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1.5x scale

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.