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Finding the Fourth Proportional to 67,284,805.80, 100,927,208.70 and 36,673,804.20

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Solution

The fourth proportional to 67,284,805.80, 100,927,208.70 and 36,673,804.20 is: 55,010,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,284,805.80 : 100,927,208.70 = 36,673,804.20 : x
  2. Step 2: Convert to fraction form
    67,284,805.80/100,927,208.70 = 36,673,804.20/x
  3. Step 3: Cross multiply
    67,284,805.80x = 100,927,208.70 × 36,673,804.20
  4. Step 4: Simplify right side
    67,284,805.80x = 3,701,384,690,316,337
  5. Step 5: Solve for x
    x = 3,701,384,690,316,337/67,284,805.80
  6. Step 6: Final answer
    x = 55,010,706.30

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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.