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Finding the Fourth Proportional to 169,841.74, 254,768.28 and 76,347.76

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Solution

The fourth proportional to 169,841.74, 254,768.28 and 76,347.76 is: 114,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,841.74 : 254,768.28 = 76,347.76 : x
  2. Step 2: Convert to fraction form
    169,841.74/254,768.28 = 76,347.76/x
  3. Step 3: Cross multiply
    169,841.74x = 254,768.28 × 76,347.76
  4. Step 4: Simplify right side
    169,841.74x = 19,450,987,497.05
  5. Step 5: Solve for x
    x = 19,450,987,497.05/169,841.74
  6. Step 6: Final answer
    x = 114,524.19

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1.5x scale

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.