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Finding the Fourth Proportional to 267,792,206.80, 401,688,310.20 and 73,703,246.80

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Solution

The fourth proportional to 267,792,206.80, 401,688,310.20 and 73,703,246.80 is: 110,554,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,792,206.80 : 401,688,310.20 = 73,703,246.80 : x
  2. Step 2: Convert to fraction form
    267,792,206.80/401,688,310.20 = 73,703,246.80/x
  3. Step 3: Cross multiply
    267,792,206.80x = 401,688,310.20 × 73,703,246.80
  4. Step 4: Simplify right side
    267,792,206.80x = 29,605,732,663,345,556
  5. Step 5: Solve for x
    x = 29,605,732,663,345,556/267,792,206.80
  6. Step 6: Final answer
    x = 110,554,870.20

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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.