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Finding the Fourth Proportional to 107,969.97, 148,999.07 and 59,571.90

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Solution

The fourth proportional to 107,969.97, 148,999.07 and 59,571.90 is: 82,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,969.97 : 148,999.07 = 59,571.90 : x
  2. Step 2: Convert to fraction form
    107,969.97/148,999.07 = 59,571.90/x
  3. Step 3: Cross multiply
    107,969.97x = 148,999.07 × 59,571.90
  4. Step 4: Simplify right side
    107,969.97x = 8,876,157,698.13
  5. Step 5: Solve for x
    x = 8,876,157,698.13/107,969.97
  6. Step 6: Final answer
    x = 82,209.50

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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.