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Finding the Fourth Proportional to 73,068.06, 109,602.20 and 17,664.06

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Solution

The fourth proportional to 73,068.06, 109,602.20 and 17,664.06 is: 26,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,068.06 : 109,602.20 = 17,664.06 : x
  2. Step 2: Convert to fraction form
    73,068.06/109,602.20 = 17,664.06/x
  3. Step 3: Cross multiply
    73,068.06x = 109,602.20 × 17,664.06
  4. Step 4: Simplify right side
    73,068.06x = 1,936,019,836.93
  5. Step 5: Solve for x
    x = 1,936,019,836.93/73,068.06
  6. Step 6: Final answer
    x = 26,496.12

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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.