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Finding the Fourth Proportional to 99,794,608.70, 149,691,913.05 and 46,046,896.70

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Solution

The fourth proportional to 99,794,608.70, 149,691,913.05 and 46,046,896.70 is: 69,070,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,608.70 : 149,691,913.05 = 46,046,896.70 : x
  2. Step 2: Convert to fraction form
    99,794,608.70/149,691,913.05 = 46,046,896.70/x
  3. Step 3: Cross multiply
    99,794,608.70x = 149,691,913.05 × 46,046,896.70
  4. Step 4: Simplify right side
    99,794,608.70x = 6,892,848,057,038,733
  5. Step 5: Solve for x
    x = 6,892,848,057,038,733/99,794,608.70
  6. Step 6: Final answer
    x = 69,070,345.05

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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.