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Finding the Fourth Proportional to 169,955.74, 254,939.40 and 51,626.86

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Solution

The fourth proportional to 169,955.74, 254,939.40 and 51,626.86 is: 77,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,955.74 : 254,939.40 = 51,626.86 : x
  2. Step 2: Convert to fraction form
    169,955.74/254,939.40 = 51,626.86/x
  3. Step 3: Cross multiply
    169,955.74x = 254,939.40 × 51,626.86
  4. Step 4: Simplify right side
    169,955.74x = 13,161,720,712.28
  5. Step 5: Solve for x
    x = 13,161,720,712.28/169,955.74
  6. Step 6: Final answer
    x = 77,442.05

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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.