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Finding the Fourth Proportional to 71,621,167.95, 107,431,751.93 and 71,621,167.95

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Solution

The fourth proportional to 71,621,167.95, 107,431,751.93 and 71,621,167.95 is: 107,431,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,621,167.95 : 107,431,751.93 = 71,621,167.95 : x
  2. Step 2: Convert to fraction form
    71,621,167.95/107,431,751.93 = 71,621,167.95/x
  3. Step 3: Cross multiply
    71,621,167.95x = 107,431,751.93 × 71,621,167.95
  4. Step 4: Simplify right side
    71,621,167.95x = 7,694,387,547,783,161
  5. Step 5: Solve for x
    x = 7,694,387,547,783,161/71,621,167.95
  6. Step 6: Final answer
    x = 107,431,751.93

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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.