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Finding the Fourth Proportional to 66,693.84, 100,068.83 and 29,234.58

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Solution

The fourth proportional to 66,693.84, 100,068.83 and 29,234.58 is: 43,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.84 : 100,068.83 = 29,234.58 : x
  2. Step 2: Convert to fraction form
    66,693.84/100,068.83 = 29,234.58/x
  3. Step 3: Cross multiply
    66,693.84x = 100,068.83 × 29,234.58
  4. Step 4: Simplify right side
    66,693.84x = 2,925,470,216.14
  5. Step 5: Solve for x
    x = 2,925,470,216.14/66,693.84
  6. Step 6: Final answer
    x = 43,864.17

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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.