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Finding the Fourth Proportional to 66,018,872.80, 98,933,830.80 and 48,611,227.60

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Solution

The fourth proportional to 66,018,872.80, 98,933,830.80 and 48,611,227.60 is: 72,847,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,018,872.80 : 98,933,830.80 = 48,611,227.60 : x
  2. Step 2: Convert to fraction form
    66,018,872.80/98,933,830.80 = 48,611,227.60/x
  3. Step 3: Cross multiply
    66,018,872.80x = 98,933,830.80 × 48,611,227.60
  4. Step 4: Simplify right side
    66,018,872.80x = 4,809,294,966,358,690
  5. Step 5: Solve for x
    x = 4,809,294,966,358,690/66,018,872.80
  6. Step 6: Final answer
    x = 72,847,274.76

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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.