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Finding the Fourth Proportional to 69,984,139.30, 104,787,252.15 and 69,984,139.30

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Solution

The fourth proportional to 69,984,139.30, 104,787,252.15 and 69,984,139.30 is: 104,787,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,139.30 : 104,787,252.15 = 69,984,139.30 : x
  2. Step 2: Convert to fraction form
    69,984,139.30/104,787,252.15 = 69,984,139.30/x
  3. Step 3: Cross multiply
    69,984,139.30x = 104,787,252.15 × 69,984,139.30
  4. Step 4: Simplify right side
    69,984,139.30x = 7,333,445,651,329,825
  5. Step 5: Solve for x
    x = 7,333,445,651,329,825/69,984,139.30
  6. Step 6: Final answer
    x = 104,787,252.15

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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.