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Finding the Fourth Proportional to 247,777.97, 341,904.59 and 145,781.00

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Solution

The fourth proportional to 247,777.97, 341,904.59 and 145,781.00 is: 201,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,777.97 : 341,904.59 = 145,781.00 : x
  2. Step 2: Convert to fraction form
    247,777.97/341,904.59 = 145,781.00/x
  3. Step 3: Cross multiply
    247,777.97x = 341,904.59 × 145,781.00
  4. Step 4: Simplify right side
    247,777.97x = 49,843,190,596.36
  5. Step 5: Solve for x
    x = 49,843,190,596.36/247,777.97
  6. Step 6: Final answer
    x = 201,160.71

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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.