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Finding the Fourth Proportional to 109,504.80, 151,116.30 and 59,203.80

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Solution

The fourth proportional to 109,504.80, 151,116.30 and 59,203.80 is: 81,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,504.80 : 151,116.30 = 59,203.80 : x
  2. Step 2: Convert to fraction form
    109,504.80/151,116.30 = 59,203.80/x
  3. Step 3: Cross multiply
    109,504.80x = 151,116.30 × 59,203.80
  4. Step 4: Simplify right side
    109,504.80x = 8,946,659,201.94
  5. Step 5: Solve for x
    x = 8,946,659,201.94/109,504.80
  6. Step 6: Final answer
    x = 81,701.07

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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.