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Finding the Fourth Proportional to 112,340.64, 168,499.80 and 29,234.64

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Solution

The fourth proportional to 112,340.64, 168,499.80 and 29,234.64 is: 43,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,340.64 : 168,499.80 = 29,234.64 : x
  2. Step 2: Convert to fraction form
    112,340.64/168,499.80 = 29,234.64/x
  3. Step 3: Cross multiply
    112,340.64x = 168,499.80 × 29,234.64
  4. Step 4: Simplify right side
    112,340.64x = 4,926,030,993.07
  5. Step 5: Solve for x
    x = 4,926,030,993.07/112,340.64
  6. Step 6: Final answer
    x = 43,849.06

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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.