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Finding the Fourth Proportional to 169,498.06, 254,239.80 and 51,165.87

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Solution

The fourth proportional to 169,498.06, 254,239.80 and 51,165.87 is: 76,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,498.06 : 254,239.80 = 51,165.87 : x
  2. Step 2: Convert to fraction form
    169,498.06/254,239.80 = 51,165.87/x
  3. Step 3: Cross multiply
    169,498.06x = 254,239.80 × 51,165.87
  4. Step 4: Simplify right side
    169,498.06x = 13,008,400,555.63
  5. Step 5: Solve for x
    x = 13,008,400,555.63/169,498.06
  6. Step 6: Final answer
    x = 76,746.60

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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.