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Finding the Fourth Proportional to 70,455.60, 97,238.72 and 43,606.76

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Solution

The fourth proportional to 70,455.60, 97,238.72 and 43,606.76 is: 60,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.60 : 97,238.72 = 43,606.76 : x
  2. Step 2: Convert to fraction form
    70,455.60/97,238.72 = 43,606.76/x
  3. Step 3: Cross multiply
    70,455.60x = 97,238.72 × 43,606.76
  4. Step 4: Simplify right side
    70,455.60x = 4,240,265,525.75
  5. Step 5: Solve for x
    x = 4,240,265,525.75/70,455.60
  6. Step 6: Final answer
    x = 60,183.51

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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.