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Finding the Fourth Proportional to 73,812,067.80, 110,718,101.70 and 30,666,931.80

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Solution

The fourth proportional to 73,812,067.80, 110,718,101.70 and 30,666,931.80 is: 46,000,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,812,067.80 : 110,718,101.70 = 30,666,931.80 : x
  2. Step 2: Convert to fraction form
    73,812,067.80/110,718,101.70 = 30,666,931.80/x
  3. Step 3: Cross multiply
    73,812,067.80x = 110,718,101.70 × 30,666,931.80
  4. Step 4: Simplify right side
    73,812,067.80x = 3,395,384,473,859,364
  5. Step 5: Solve for x
    x = 3,395,384,473,859,364/73,812,067.80
  6. Step 6: Final answer
    x = 46,000,397.70

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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.