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Finding the Fourth Proportional to 262,199.18, 393,299.18 and 112,342.29

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Solution

The fourth proportional to 262,199.18, 393,299.18 and 112,342.29 is: 168,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,199.18 : 393,299.18 = 112,342.29 : x
  2. Step 2: Convert to fraction form
    262,199.18/393,299.18 = 112,342.29/x
  3. Step 3: Cross multiply
    262,199.18x = 393,299.18 × 112,342.29
  4. Step 4: Simplify right side
    262,199.18x = 44,184,129,974.61
  5. Step 5: Solve for x
    x = 44,184,129,974.61/262,199.18
  6. Step 6: Final answer
    x = 168,513.61

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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.