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Finding the Fourth Proportional to 169,967, 254,955.90 and 51,639.37

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Solution

The fourth proportional to 169,967, 254,955.90 and 51,639.37 is: 77,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,967 : 254,955.90 = 51,639.37 : x
  2. Step 2: Convert to fraction form
    169,967/254,955.90 = 51,639.37/x
  3. Step 3: Cross multiply
    169,967x = 254,955.90 × 51,639.37
  4. Step 4: Simplify right side
    169,967x = 13,165,762,053.78
  5. Step 5: Solve for x
    x = 13,165,762,053.78/169,967
  6. Step 6: Final answer
    x = 77,460.70

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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.