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Finding the Fourth Proportional to 69,220,276.20, 103,830,414.30 and 69,220,276.20

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Solution

The fourth proportional to 69,220,276.20, 103,830,414.30 and 69,220,276.20 is: 103,830,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,220,276.20 : 103,830,414.30 = 69,220,276.20 : x
  2. Step 2: Convert to fraction form
    69,220,276.20/103,830,414.30 = 69,220,276.20/x
  3. Step 3: Cross multiply
    69,220,276.20x = 103,830,414.30 × 69,220,276.20
  4. Step 4: Simplify right side
    69,220,276.20x = 7,187,169,955,806,430
  5. Step 5: Solve for x
    x = 7,187,169,955,806,430/69,220,276.20
  6. Step 6: Final answer
    x = 103,830,414.30

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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.