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Finding the Fourth Proportional to 71,763,637.10, 107,645,455.65 and 71,763,637.10

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Solution

The fourth proportional to 71,763,637.10, 107,645,455.65 and 71,763,637.10 is: 107,645,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,763,637.10 : 107,645,455.65 = 71,763,637.10 : x
  2. Step 2: Convert to fraction form
    71,763,637.10/107,645,455.65 = 71,763,637.10/x
  3. Step 3: Cross multiply
    71,763,637.10x = 107,645,455.65 × 71,763,637.10
  4. Step 4: Simplify right side
    71,763,637.10x = 7,725,029,414,730,744
  5. Step 5: Solve for x
    x = 7,725,029,414,730,744/71,763,637.10
  6. Step 6: Final answer
    x = 107,645,455.65

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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.