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Finding the Fourth Proportional to 61,204,244.70, 91,806,367.05 and 15,766,039.20

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Solution

The fourth proportional to 61,204,244.70, 91,806,367.05 and 15,766,039.20 is: 23,649,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204,244.70 : 91,806,367.05 = 15,766,039.20 : x
  2. Step 2: Convert to fraction form
    61,204,244.70/91,806,367.05 = 15,766,039.20/x
  3. Step 3: Cross multiply
    61,204,244.70x = 91,806,367.05 × 15,766,039.20
  4. Step 4: Simplify right side
    61,204,244.70x = 1,447,422,781,719,888.25
  5. Step 5: Solve for x
    x = 1,447,422,781,719,888.25/61,204,244.70
  6. Step 6: Final answer
    x = 23,649,058.80

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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.