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Finding the Fourth Proportional to 22,335,265.80, 33,502,898.70 and 20,067,784.20

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Solution

The fourth proportional to 22,335,265.80, 33,502,898.70 and 20,067,784.20 is: 30,101,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335,265.80 : 33,502,898.70 = 20,067,784.20 : x
  2. Step 2: Convert to fraction form
    22,335,265.80/33,502,898.70 = 20,067,784.20/x
  3. Step 3: Cross multiply
    22,335,265.80x = 33,502,898.70 × 20,067,784.20
  4. Step 4: Simplify right side
    22,335,265.80x = 672,328,941,186,060.50
  5. Step 5: Solve for x
    x = 672,328,941,186,060.50/22,335,265.80
  6. Step 6: Final answer
    x = 30,101,676.30

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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.