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Finding the Fourth Proportional to 73,260,522.80, 109,731,351.90 and 44,456,420.60

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Solution

The fourth proportional to 73,260,522.80, 109,731,351.90 and 44,456,420.60 is: 66,587,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,260,522.80 : 109,731,351.90 = 44,456,420.60 : x
  2. Step 2: Convert to fraction form
    73,260,522.80/109,731,351.90 = 44,456,420.60/x
  3. Step 3: Cross multiply
    73,260,522.80x = 109,731,351.90 × 44,456,420.60
  4. Step 4: Simplify right side
    73,260,522.80x = 4,878,263,133,073,010
  5. Step 5: Solve for x
    x = 4,878,263,133,073,010/73,260,522.80
  6. Step 6: Final answer
    x = 66,587,883.17

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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.