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Finding the Fourth Proportional to 70,861,662.95, 106,292,495.70 and 17,008,974.95

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Solution

The fourth proportional to 70,861,662.95, 106,292,495.70 and 17,008,974.95 is: 25,513,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861,662.95 : 106,292,495.70 = 17,008,974.95 : x
  2. Step 2: Convert to fraction form
    70,861,662.95/106,292,495.70 = 17,008,974.95/x
  3. Step 3: Cross multiply
    70,861,662.95x = 106,292,495.70 × 17,008,974.95
  4. Step 4: Simplify right side
    70,861,662.95x = 1,807,926,396,202,820.25
  5. Step 5: Solve for x
    x = 1,807,926,396,202,820.25/70,861,662.95
  6. Step 6: Final answer
    x = 25,513,462.73

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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.