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Finding the Fourth Proportional to 64,747,271.60, 97,106,910.60 and 28,355,591.60

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Solution

The fourth proportional to 64,747,271.60, 97,106,910.60 and 28,355,591.60 is: 42,527,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747,271.60 : 97,106,910.60 = 28,355,591.60 : x
  2. Step 2: Convert to fraction form
    64,747,271.60/97,106,910.60 = 28,355,591.60/x
  3. Step 3: Cross multiply
    64,747,271.60x = 97,106,910.60 × 28,355,591.60
  4. Step 4: Simplify right side
    64,747,271.60x = 2,753,523,898,511,311
  5. Step 5: Solve for x
    x = 2,753,523,898,511,311/64,747,271.60
  6. Step 6: Final answer
    x = 42,527,257.60

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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.