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Finding the Fourth Proportional to 89,234.92, 123,123.54 and 53,411.32

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Solution

The fourth proportional to 89,234.92, 123,123.54 and 53,411.32 is: 73,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,234.92 : 123,123.54 = 53,411.32 : x
  2. Step 2: Convert to fraction form
    89,234.92/123,123.54 = 53,411.32/x
  3. Step 3: Cross multiply
    89,234.92x = 123,123.54 × 53,411.32
  4. Step 4: Simplify right side
    89,234.92x = 6,576,190,794.47
  5. Step 5: Solve for x
    x = 6,576,190,794.47/89,234.92
  6. Step 6: Final answer
    x = 73,695.26

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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.