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Finding the Fourth Proportional to 262,039.83, 361,616.19 and 148,868.79

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Solution

The fourth proportional to 262,039.83, 361,616.19 and 148,868.79 is: 205,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,039.83 : 361,616.19 = 148,868.79 : x
  2. Step 2: Convert to fraction form
    262,039.83/361,616.19 = 148,868.79/x
  3. Step 3: Cross multiply
    262,039.83x = 361,616.19 × 148,868.79
  4. Step 4: Simplify right side
    262,039.83x = 53,833,364,649.71
  5. Step 5: Solve for x
    x = 53,833,364,649.71/262,039.83
  6. Step 6: Final answer
    x = 205,439.63

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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.