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Finding the Fourth Proportional to 57,313,603.70, 85,970,405.55 and 49,848,643.70

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Solution

The fourth proportional to 57,313,603.70, 85,970,405.55 and 49,848,643.70 is: 74,772,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,313,603.70 : 85,970,405.55 = 49,848,643.70 : x
  2. Step 2: Convert to fraction form
    57,313,603.70/85,970,405.55 = 49,848,643.70/x
  3. Step 3: Cross multiply
    57,313,603.70x = 85,970,405.55 × 49,848,643.70
  4. Step 4: Simplify right side
    57,313,603.70x = 4,285,508,115,006,452.50
  5. Step 5: Solve for x
    x = 4,285,508,115,006,452.50/57,313,603.70
  6. Step 6: Final answer
    x = 74,772,965.55

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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.