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Finding the Fourth Proportional to 73,220.63, 109,830.94 and 17,816.63

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Solution

The fourth proportional to 73,220.63, 109,830.94 and 17,816.63 is: 26,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,220.63 : 109,830.94 = 17,816.63 : x
  2. Step 2: Convert to fraction form
    73,220.63/109,830.94 = 17,816.63/x
  3. Step 3: Cross multiply
    73,220.63x = 109,830.94 × 17,816.63
  4. Step 4: Simplify right side
    73,220.63x = 1,956,816,626.84
  5. Step 5: Solve for x
    x = 1,956,816,626.84/73,220.63
  6. Step 6: Final answer
    x = 26,724.94

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Similar ratio
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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.