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Finding the Fourth Proportional to 73,838,418.80, 110,757,628.20 and 73,838,418.80

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Solution

The fourth proportional to 73,838,418.80, 110,757,628.20 and 73,838,418.80 is: 110,757,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,838,418.80 : 110,757,628.20 = 73,838,418.80 : x
  2. Step 2: Convert to fraction form
    73,838,418.80/110,757,628.20 = 73,838,418.80/x
  3. Step 3: Cross multiply
    73,838,418.80x = 110,757,628.20 × 73,838,418.80
  4. Step 4: Simplify right side
    73,838,418.80x = 8,178,168,136,326,290
  5. Step 5: Solve for x
    x = 8,178,168,136,326,290/73,838,418.80
  6. Step 6: Final answer
    x = 110,757,628.20

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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.