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Finding the Fourth Proportional to 70,861,652.82, 106,292,480.47 and 17,008,964.82

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Solution

The fourth proportional to 70,861,652.82, 106,292,480.47 and 17,008,964.82 is: 25,513,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861,652.82 : 106,292,480.47 = 17,008,964.82 : x
  2. Step 2: Convert to fraction form
    70,861,652.82/106,292,480.47 = 17,008,964.82/x
  3. Step 3: Cross multiply
    70,861,652.82x = 106,292,480.47 × 17,008,964.82
  4. Step 4: Simplify right side
    70,861,652.82x = 1,807,925,060,902,244.75
  5. Step 5: Solve for x
    x = 1,807,925,060,902,244.75/70,861,652.82
  6. Step 6: Final answer
    x = 25,513,447.53

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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.