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Finding the Fourth Proportional to 91,659.22, 126,300.08 and 73,682.08

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Solution

The fourth proportional to 91,659.22, 126,300.08 and 73,682.08 is: 101,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,659.22 : 126,300.08 = 73,682.08 : x
  2. Step 2: Convert to fraction form
    91,659.22/126,300.08 = 73,682.08/x
  3. Step 3: Cross multiply
    91,659.22x = 126,300.08 × 73,682.08
  4. Step 4: Simplify right side
    91,659.22x = 9,306,052,230.16
  5. Step 5: Solve for x
    x = 9,306,052,230.16/91,659.22
  6. Step 6: Final answer
    x = 101,528.82

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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.