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Finding the Fourth Proportional to 93,136.66, 139,725.83 and 33,972.33

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Solution

The fourth proportional to 93,136.66, 139,725.83 and 33,972.33 is: 50,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.66 : 139,725.83 = 33,972.33 : x
  2. Step 2: Convert to fraction form
    93,136.66/139,725.83 = 33,972.33/x
  3. Step 3: Cross multiply
    93,136.66x = 139,725.83 × 33,972.33
  4. Step 4: Simplify right side
    93,136.66x = 4,746,812,006.28
  5. Step 5: Solve for x
    x = 4,746,812,006.28/93,136.66
  6. Step 6: Final answer
    x = 50,966.10

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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.