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Finding the Fourth Proportional to 169,553.86, 254,384.25 and 106,417.90

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Solution

The fourth proportional to 169,553.86, 254,384.25 and 106,417.90 is: 159,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,553.86 : 254,384.25 = 106,417.90 : x
  2. Step 2: Convert to fraction form
    169,553.86/254,384.25 = 106,417.90/x
  3. Step 3: Cross multiply
    169,553.86x = 254,384.25 × 106,417.90
  4. Step 4: Simplify right side
    169,553.86x = 27,071,037,596.99
  5. Step 5: Solve for x
    x = 27,071,037,596.99/169,553.86
  6. Step 6: Final answer
    x = 159,660.41

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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.