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Finding the Fourth Proportional to 169,153.64, 253,698.66 and 84,891.14

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Solution

The fourth proportional to 169,153.64, 253,698.66 and 84,891.14 is: 127,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,153.64 : 253,698.66 = 84,891.14 : x
  2. Step 2: Convert to fraction form
    169,153.64/253,698.66 = 84,891.14/x
  3. Step 3: Cross multiply
    169,153.64x = 253,698.66 × 84,891.14
  4. Step 4: Simplify right side
    169,153.64x = 21,536,768,463.87
  5. Step 5: Solve for x
    x = 21,536,768,463.87/169,153.64
  6. Step 6: Final answer
    x = 127,320.75

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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.