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Finding the Fourth Proportional to 110,504.47, 152,514.51 and 65,193.58

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Solution

The fourth proportional to 110,504.47, 152,514.51 and 65,193.58 is: 89,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,504.47 : 152,514.51 = 65,193.58 : x
  2. Step 2: Convert to fraction form
    110,504.47/152,514.51 = 65,193.58/x
  3. Step 3: Cross multiply
    110,504.47x = 152,514.51 × 65,193.58
  4. Step 4: Simplify right side
    110,504.47x = 9,942,967,375.64
  5. Step 5: Solve for x
    x = 9,942,967,375.64/110,504.47
  6. Step 6: Final answer
    x = 89,977.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.