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Finding the Fourth Proportional to 45,793,578.88, 68,692,721.28 and 11,715,220.48

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Solution

The fourth proportional to 45,793,578.88, 68,692,721.28 and 11,715,220.48 is: 17,573,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793,578.88 : 68,692,721.28 = 11,715,220.48 : x
  2. Step 2: Convert to fraction form
    45,793,578.88/68,692,721.28 = 11,715,220.48/x
  3. Step 3: Cross multiply
    45,793,578.88x = 68,692,721.28 × 11,715,220.48
  4. Step 4: Simplify right side
    45,793,578.88x = 804,750,375,166,387.88
  5. Step 5: Solve for x
    x = 804,750,375,166,387.88/45,793,578.88
  6. Step 6: Final answer
    x = 17,573,432.67

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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.