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Finding the Fourth Proportional to 70,772.58, 97,625.60 and 44,230.50

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Solution

The fourth proportional to 70,772.58, 97,625.60 and 44,230.50 is: 61,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,772.58 : 97,625.60 = 44,230.50 : x
  2. Step 2: Convert to fraction form
    70,772.58/97,625.60 = 44,230.50/x
  3. Step 3: Cross multiply
    70,772.58x = 97,625.60 × 44,230.50
  4. Step 4: Simplify right side
    70,772.58x = 4,318,029,100.80
  5. Step 5: Solve for x
    x = 4,318,029,100.80/70,772.58
  6. Step 6: Final answer
    x = 61,012.74

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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.