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Finding the Fourth Proportional to 73,609,837.80, 110,414,756.70 and 25,142,418.60

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Solution

The fourth proportional to 73,609,837.80, 110,414,756.70 and 25,142,418.60 is: 37,713,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,609,837.80 : 110,414,756.70 = 25,142,418.60 : x
  2. Step 2: Convert to fraction form
    73,609,837.80/110,414,756.70 = 25,142,418.60/x
  3. Step 3: Cross multiply
    73,609,837.80x = 110,414,756.70 × 25,142,418.60
  4. Step 4: Simplify right side
    73,609,837.80x = 2,776,094,032,568,555
  5. Step 5: Solve for x
    x = 2,776,094,032,568,555/73,609,837.80
  6. Step 6: Final answer
    x = 37,713,627.90

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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.