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Finding the Fourth Proportional to 64,650,608.70, 89,219,729.70 and 35,283,826.02

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Solution

The fourth proportional to 64,650,608.70, 89,219,729.70 and 35,283,826.02 is: 48,692,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650,608.70 : 89,219,729.70 = 35,283,826.02 : x
  2. Step 2: Convert to fraction form
    64,650,608.70/89,219,729.70 = 35,283,826.02/x
  3. Step 3: Cross multiply
    64,650,608.70x = 89,219,729.70 × 35,283,826.02
  4. Step 4: Simplify right side
    64,650,608.70x = 3,148,013,420,286,227
  5. Step 5: Solve for x
    x = 3,148,013,420,286,227/64,650,608.70
  6. Step 6: Final answer
    x = 48,692,711.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.