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Finding the Fourth Proportional to 66,443,375.60, 99,557,754.60 and 37,603,746.80

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Solution

The fourth proportional to 66,443,375.60, 99,557,754.60 and 37,603,746.80 is: 56,344,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,375.60 : 99,557,754.60 = 37,603,746.80 : x
  2. Step 2: Convert to fraction form
    66,443,375.60/99,557,754.60 = 37,603,746.80/x
  3. Step 3: Cross multiply
    66,443,375.60x = 99,557,754.60 × 37,603,746.80
  4. Step 4: Simplify right side
    66,443,375.60x = 3,743,744,595,954,935
  5. Step 5: Solve for x
    x = 3,743,744,595,954,935/66,443,375.60
  6. Step 6: Final answer
    x = 56,344,888.59

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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.