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Finding the Fourth Proportional to 71,453,862.88, 107,187,187.88 and 27,733,596.40

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Solution

The fourth proportional to 71,453,862.88, 107,187,187.88 and 27,733,596.40 is: 41,602,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453,862.88 : 107,187,187.88 = 27,733,596.40 : x
  2. Step 2: Convert to fraction form
    71,453,862.88/107,187,187.88 = 27,733,596.40/x
  3. Step 3: Cross multiply
    71,453,862.88x = 107,187,187.88 × 27,733,596.40
  4. Step 4: Simplify right side
    71,453,862.88x = 2,972,686,207,914,891.50
  5. Step 5: Solve for x
    x = 2,972,686,207,914,891.50/71,453,862.88
  6. Step 6: Final answer
    x = 41,602,876.15

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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.