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Finding the Fourth Proportional to 169,894.20, 254,841.30 and 51,559.80

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Solution

The fourth proportional to 169,894.20, 254,841.30 and 51,559.80 is: 77,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,894.20 : 254,841.30 = 51,559.80 : x
  2. Step 2: Convert to fraction form
    169,894.20/254,841.30 = 51,559.80/x
  3. Step 3: Cross multiply
    169,894.20x = 254,841.30 × 51,559.80
  4. Step 4: Simplify right side
    169,894.20x = 13,139,566,459.74
  5. Step 5: Solve for x
    x = 13,139,566,459.74/169,894.20
  6. Step 6: Final answer
    x = 77,339.70

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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.