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Finding the Fourth Proportional to 262,159.80, 393,174.51 and 112,383.12

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Solution

The fourth proportional to 262,159.80, 393,174.51 and 112,383.12 is: 168,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,159.80 : 393,174.51 = 112,383.12 : x
  2. Step 2: Convert to fraction form
    262,159.80/393,174.51 = 112,383.12/x
  3. Step 3: Cross multiply
    262,159.80x = 393,174.51 × 112,383.12
  4. Step 4: Simplify right side
    262,159.80x = 44,186,178,138.27
  5. Step 5: Solve for x
    x = 44,186,178,138.27/262,159.80
  6. Step 6: Final answer
    x = 168,546.73

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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.