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Finding the Fourth Proportional to 220,566, 330,737.22 and 94,186.56

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Solution

The fourth proportional to 220,566, 330,737.22 and 94,186.56 is: 141,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,566 : 330,737.22 = 94,186.56 : x
  2. Step 2: Convert to fraction form
    220,566/330,737.22 = 94,186.56/x
  3. Step 3: Cross multiply
    220,566x = 330,737.22 × 94,186.56
  4. Step 4: Simplify right side
    220,566x = 31,151,001,015.76
  5. Step 5: Solve for x
    x = 31,151,001,015.76/220,566
  6. Step 6: Final answer
    x = 141,232.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.