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Finding the Fourth Proportional to 59,796,343.60, 89,694,515.40 and 51,186,999.40

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Solution

The fourth proportional to 59,796,343.60, 89,694,515.40 and 51,186,999.40 is: 76,780,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,796,343.60 : 89,694,515.40 = 51,186,999.40 : x
  2. Step 2: Convert to fraction form
    59,796,343.60/89,694,515.40 = 51,186,999.40/x
  3. Step 3: Cross multiply
    59,796,343.60x = 89,694,515.40 × 51,186,999.40
  4. Step 4: Simplify right side
    59,796,343.60x = 4,591,193,105,963,091
  5. Step 5: Solve for x
    x = 4,591,193,105,963,091/59,796,343.60
  6. Step 6: Final answer
    x = 76,780,499.10

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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.