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Finding the Fourth Proportional to 93,090.54, 139,614.78 and 26,529.24

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Solution

The fourth proportional to 93,090.54, 139,614.78 and 26,529.24 is: 39,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,090.54 : 139,614.78 = 26,529.24 : x
  2. Step 2: Convert to fraction form
    93,090.54/139,614.78 = 26,529.24/x
  3. Step 3: Cross multiply
    93,090.54x = 139,614.78 × 26,529.24
  4. Step 4: Simplify right side
    93,090.54x = 3,703,874,006.17
  5. Step 5: Solve for x
    x = 3,703,874,006.17/93,090.54
  6. Step 6: Final answer
    x = 39,787.87

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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.