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Finding the Fourth Proportional to 70,453.60, 97,235.98 and 43,604.76

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Solution

The fourth proportional to 70,453.60, 97,235.98 and 43,604.76 is: 60,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,453.60 : 97,235.98 = 43,604.76 : x
  2. Step 2: Convert to fraction form
    70,453.60/97,235.98 = 43,604.76/x
  3. Step 3: Cross multiply
    70,453.60x = 97,235.98 × 43,604.76
  4. Step 4: Simplify right side
    70,453.60x = 4,239,951,571.26
  5. Step 5: Solve for x
    x = 4,239,951,571.26/70,453.60
  6. Step 6: Final answer
    x = 60,180.77

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1.5x scale

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.