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Finding the Fourth Proportional to 88,282.99, 121,832.92 and 47,999.46

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Solution

The fourth proportional to 88,282.99, 121,832.92 and 47,999.46 is: 66,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,282.99 : 121,832.92 = 47,999.46 : x
  2. Step 2: Convert to fraction form
    88,282.99/121,832.92 = 47,999.46/x
  3. Step 3: Cross multiply
    88,282.99x = 121,832.92 × 47,999.46
  4. Step 4: Simplify right side
    88,282.99x = 5,847,914,370.22
  5. Step 5: Solve for x
    x = 5,847,914,370.22/88,282.99
  6. Step 6: Final answer
    x = 66,240.56

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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.