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Finding the Fourth Proportional to 93,213.60, 139,695.66 and 33,993.42

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Solution

The fourth proportional to 93,213.60, 139,695.66 and 33,993.42 is: 50,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.60 : 139,695.66 = 33,993.42 : x
  2. Step 2: Convert to fraction form
    93,213.60/139,695.66 = 33,993.42/x
  3. Step 3: Cross multiply
    93,213.60x = 139,695.66 × 33,993.42
  4. Step 4: Simplify right side
    93,213.60x = 4,748,733,242.56
  5. Step 5: Solve for x
    x = 4,748,733,242.56/93,213.60
  6. Step 6: Final answer
    x = 50,944.64

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1.5x scale

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.