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Finding the Fourth Proportional to 169,754.85, 254,658.69 and 51,398.01

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Solution

The fourth proportional to 169,754.85, 254,658.69 and 51,398.01 is: 77,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,754.85 : 254,658.69 = 51,398.01 : x
  2. Step 2: Convert to fraction form
    169,754.85/254,658.69 = 51,398.01/x
  3. Step 3: Cross multiply
    169,754.85x = 254,658.69 × 51,398.01
  4. Step 4: Simplify right side
    169,754.85x = 13,088,949,895.21
  5. Step 5: Solve for x
    x = 13,088,949,895.21/169,754.85
  6. Step 6: Final answer
    x = 77,105.01

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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.