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Finding the Fourth Proportional to 73,987,357.80, 110,981,036.70 and 22,874,543.40

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Solution

The fourth proportional to 73,987,357.80, 110,981,036.70 and 22,874,543.40 is: 34,311,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987,357.80 : 110,981,036.70 = 22,874,543.40 : x
  2. Step 2: Convert to fraction form
    73,987,357.80/110,981,036.70 = 22,874,543.40/x
  3. Step 3: Cross multiply
    73,987,357.80x = 110,981,036.70 × 22,874,543.40
  4. Step 4: Simplify right side
    73,987,357.80x = 2,538,640,540,571,142.50
  5. Step 5: Solve for x
    x = 2,538,640,540,571,142.50/73,987,357.80
  6. Step 6: Final answer
    x = 34,311,815.10

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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.