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Finding the Fourth Proportional to 91,717.36, 126,523.36 and 59,904.88

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Solution

The fourth proportional to 91,717.36, 126,523.36 and 59,904.88 is: 82,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.36 : 126,523.36 = 59,904.88 : x
  2. Step 2: Convert to fraction form
    91,717.36/126,523.36 = 59,904.88/x
  3. Step 3: Cross multiply
    91,717.36x = 126,523.36 × 59,904.88
  4. Step 4: Simplify right side
    91,717.36x = 7,579,366,698.00
  5. Step 5: Solve for x
    x = 7,579,366,698.00/91,717.36
  6. Step 6: Final answer
    x = 82,638.30

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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.