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Finding the Fourth Proportional to 261,772.46, 361,235.94 and 159,968.22

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Solution

The fourth proportional to 261,772.46, 361,235.94 and 159,968.22 is: 220,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,772.46 : 361,235.94 = 159,968.22 : x
  2. Step 2: Convert to fraction form
    261,772.46/361,235.94 = 159,968.22/x
  3. Step 3: Cross multiply
    261,772.46x = 361,235.94 × 159,968.22
  4. Step 4: Simplify right side
    261,772.46x = 57,786,270,321.83
  5. Step 5: Solve for x
    x = 57,786,270,321.83/261,772.46
  6. Step 6: Final answer
    x = 220,750.00

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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.