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Finding the Fourth Proportional to 220,582.10, 330,711.86 and 70,737.10

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Solution

The fourth proportional to 220,582.10, 330,711.86 and 70,737.10 is: 106,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,582.10 : 330,711.86 = 70,737.10 : x
  2. Step 2: Convert to fraction form
    220,582.10/330,711.86 = 70,737.10/x
  3. Step 3: Cross multiply
    220,582.10x = 330,711.86 × 70,737.10
  4. Step 4: Simplify right side
    220,582.10x = 23,393,597,262.07
  5. Step 5: Solve for x
    x = 23,393,597,262.07/220,582.10
  6. Step 6: Final answer
    x = 106,053.92

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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.