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Finding the Fourth Proportional to 68,866,476.10, 103,299,714.15 and 68,866,476.10

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Solution

The fourth proportional to 68,866,476.10, 103,299,714.15 and 68,866,476.10 is: 103,299,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866,476.10 : 103,299,714.15 = 68,866,476.10 : x
  2. Step 2: Convert to fraction form
    68,866,476.10/103,299,714.15 = 68,866,476.10/x
  3. Step 3: Cross multiply
    68,866,476.10x = 103,299,714.15 × 68,866,476.10
  4. Step 4: Simplify right side
    68,866,476.10x = 7,113,887,295,647,807
  5. Step 5: Solve for x
    x = 7,113,887,295,647,807/68,866,476.10
  6. Step 6: Final answer
    x = 103,299,714.15

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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.