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Finding the Fourth Proportional to 6,148,366.80, 9,205,961.40 and 6,148,366.80

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Solution

The fourth proportional to 6,148,366.80, 9,205,961.40 and 6,148,366.80 is: 9,205,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148,366.80 : 9,205,961.40 = 6,148,366.80 : x
  2. Step 2: Convert to fraction form
    6,148,366.80/9,205,961.40 = 6,148,366.80/x
  3. Step 3: Cross multiply
    6,148,366.80x = 9,205,961.40 × 6,148,366.80
  4. Step 4: Simplify right side
    6,148,366.80x = 56,601,627,433,841.52
  5. Step 5: Solve for x
    x = 56,601,627,433,841.52/6,148,366.80
  6. Step 6: Final answer
    x = 9,205,961.40

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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.