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Finding the Fourth Proportional to 183,424.84, 253,136.82 and 102,878.20

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Solution

The fourth proportional to 183,424.84, 253,136.82 and 102,878.20 is: 141,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,424.84 : 253,136.82 = 102,878.20 : x
  2. Step 2: Convert to fraction form
    183,424.84/253,136.82 = 102,878.20/x
  3. Step 3: Cross multiply
    183,424.84x = 253,136.82 × 102,878.20
  4. Step 4: Simplify right side
    183,424.84x = 26,042,260,395.32
  5. Step 5: Solve for x
    x = 26,042,260,395.32/183,424.84
  6. Step 6: Final answer
    x = 141,977.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.