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Finding the Fourth Proportional to 226,802.53, 340,225.06 and 66,878.61

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Solution

The fourth proportional to 226,802.53, 340,225.06 and 66,878.61 is: 100,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,802.53 : 340,225.06 = 66,878.61 : x
  2. Step 2: Convert to fraction form
    226,802.53/340,225.06 = 66,878.61/x
  3. Step 3: Cross multiply
    226,802.53x = 340,225.06 × 66,878.61
  4. Step 4: Simplify right side
    226,802.53x = 22,753,779,696.09
  5. Step 5: Solve for x
    x = 22,753,779,696.09/226,802.53
  6. Step 6: Final answer
    x = 100,324.19

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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.