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Finding the Fourth Proportional to 262,042.77, 361,617.21 and 148,865.52

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Solution

The fourth proportional to 262,042.77, 361,617.21 and 148,865.52 is: 205,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,042.77 : 361,617.21 = 148,865.52 : x
  2. Step 2: Convert to fraction form
    262,042.77/361,617.21 = 148,865.52/x
  3. Step 3: Cross multiply
    262,042.77x = 361,617.21 × 148,865.52
  4. Step 4: Simplify right side
    262,042.77x = 53,832,334,007.60
  5. Step 5: Solve for x
    x = 53,832,334,007.60/262,042.77
  6. Step 6: Final answer
    x = 205,433.39

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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.