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Finding the Fourth Proportional to 93,096.78, 128,324.22 and 62,872.44

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Solution

The fourth proportional to 93,096.78, 128,324.22 and 62,872.44 is: 86,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,096.78 : 128,324.22 = 62,872.44 : x
  2. Step 2: Convert to fraction form
    93,096.78/128,324.22 = 62,872.44/x
  3. Step 3: Cross multiply
    93,096.78x = 128,324.22 × 62,872.44
  4. Step 4: Simplify right side
    93,096.78x = 8,068,056,822.50
  5. Step 5: Solve for x
    x = 8,068,056,822.50/93,096.78
  6. Step 6: Final answer
    x = 86,663.11

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1.5x scale

Why These Related Problems?

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