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Finding the Fourth Proportional to 97,137.71, 145,604.50 and 44,503.91

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Solution

The fourth proportional to 97,137.71, 145,604.50 and 44,503.91 is: 66,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,137.71 : 145,604.50 = 44,503.91 : x
  2. Step 2: Convert to fraction form
    97,137.71/145,604.50 = 44,503.91/x
  3. Step 3: Cross multiply
    97,137.71x = 145,604.50 × 44,503.91
  4. Step 4: Simplify right side
    97,137.71x = 6,479,969,563.60
  5. Step 5: Solve for x
    x = 6,479,969,563.60/97,137.71
  6. Step 6: Final answer
    x = 66,709.10

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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.