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Finding the Fourth Proportional to 93,227.59, 128,652.91 and 50,785.21

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Solution

The fourth proportional to 93,227.59, 128,652.91 and 50,785.21 is: 70,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,227.59 : 128,652.91 = 50,785.21 : x
  2. Step 2: Convert to fraction form
    93,227.59/128,652.91 = 50,785.21/x
  3. Step 3: Cross multiply
    93,227.59x = 128,652.91 × 50,785.21
  4. Step 4: Simplify right side
    93,227.59x = 6,533,665,051.46
  5. Step 5: Solve for x
    x = 6,533,665,051.46/93,227.59
  6. Step 6: Final answer
    x = 70,082.96

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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.