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Finding the Fourth Proportional to 250,082.73, 345,114.18 and 136,905.48

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Solution

The fourth proportional to 250,082.73, 345,114.18 and 136,905.48 is: 188,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,082.73 : 345,114.18 = 136,905.48 : x
  2. Step 2: Convert to fraction form
    250,082.73/345,114.18 = 136,905.48/x
  3. Step 3: Cross multiply
    250,082.73x = 345,114.18 × 136,905.48
  4. Step 4: Simplify right side
    250,082.73x = 47,248,022,467.71
  5. Step 5: Solve for x
    x = 47,248,022,467.71/250,082.73
  6. Step 6: Final answer
    x = 188,929.57

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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.