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Finding the Fourth Proportional to 62,994,401.70, 94,491,602.55 and 19,876,821.90

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Solution

The fourth proportional to 62,994,401.70, 94,491,602.55 and 19,876,821.90 is: 29,815,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,994,401.70 : 94,491,602.55 = 19,876,821.90 : x
  2. Step 2: Convert to fraction form
    62,994,401.70/94,491,602.55 = 19,876,821.90/x
  3. Step 3: Cross multiply
    62,994,401.70x = 94,491,602.55 × 19,876,821.90
  4. Step 4: Simplify right side
    62,994,401.70x = 1,878,192,754,931,935.75
  5. Step 5: Solve for x
    x = 1,878,192,754,931,935.75/62,994,401.70
  6. Step 6: Final answer
    x = 29,815,232.85

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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.