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Finding the Fourth Proportional to 68,688,051.30, 96,418,363.50 and 68,688,051.30

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Solution

The fourth proportional to 68,688,051.30, 96,418,363.50 and 68,688,051.30 is: 96,418,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688,051.30 : 96,418,363.50 = 68,688,051.30 : x
  2. Step 2: Convert to fraction form
    68,688,051.30/96,418,363.50 = 68,688,051.30/x
  3. Step 3: Cross multiply
    68,688,051.30x = 96,418,363.50 × 68,688,051.30
  4. Step 4: Simplify right side
    68,688,051.30x = 6,622,789,498,350,047
  5. Step 5: Solve for x
    x = 6,622,789,498,350,047/68,688,051.30
  6. Step 6: Final answer
    x = 96,418,363.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.