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Finding the Fourth Proportional to 169,444.64, 254,168.79 and 51,117.01

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Solution

The fourth proportional to 169,444.64, 254,168.79 and 51,117.01 is: 76,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,444.64 : 254,168.79 = 51,117.01 : x
  2. Step 2: Convert to fraction form
    169,444.64/254,168.79 = 51,117.01/x
  3. Step 3: Cross multiply
    169,444.64x = 254,168.79 × 51,117.01
  4. Step 4: Simplify right side
    169,444.64x = 12,992,347,053.69
  5. Step 5: Solve for x
    x = 12,992,347,053.69/169,444.64
  6. Step 6: Final answer
    x = 76,676.06

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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.