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Finding the Fourth Proportional to 51,796,397.80, 77,694,596.70 and 49,584,903.40

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Solution

The fourth proportional to 51,796,397.80, 77,694,596.70 and 49,584,903.40 is: 74,377,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,796,397.80 : 77,694,596.70 = 49,584,903.40 : x
  2. Step 2: Convert to fraction form
    51,796,397.80/77,694,596.70 = 49,584,903.40/x
  3. Step 3: Cross multiply
    51,796,397.80x = 77,694,596.70 × 49,584,903.40
  4. Step 4: Simplify right side
    51,796,397.80x = 3,852,479,072,071,459
  5. Step 5: Solve for x
    x = 3,852,479,072,071,459/51,796,397.80
  6. Step 6: Final answer
    x = 74,377,355.10

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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.