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Finding the Fourth Proportional to 109,999.12, 151,797.88 and 59,698.12

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Solution

The fourth proportional to 109,999.12, 151,797.88 and 59,698.12 is: 82,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,999.12 : 151,797.88 = 59,698.12 : x
  2. Step 2: Convert to fraction form
    109,999.12/151,797.88 = 59,698.12/x
  3. Step 3: Cross multiply
    109,999.12x = 151,797.88 × 59,698.12
  4. Step 4: Simplify right side
    109,999.12x = 9,062,048,055.99
  5. Step 5: Solve for x
    x = 9,062,048,055.99/109,999.12
  6. Step 6: Final answer
    x = 82,382.91

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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.