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Finding the Fourth Proportional to 230,811.16, 346,268.62 and 73,049.08

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Solution

The fourth proportional to 230,811.16, 346,268.62 and 73,049.08 is: 109,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,811.16 : 346,268.62 = 73,049.08 : x
  2. Step 2: Convert to fraction form
    230,811.16/346,268.62 = 73,049.08/x
  3. Step 3: Cross multiply
    230,811.16x = 346,268.62 × 73,049.08
  4. Step 4: Simplify right side
    230,811.16x = 25,294,604,123.87
  5. Step 5: Solve for x
    x = 25,294,604,123.87/230,811.16
  6. Step 6: Final answer
    x = 109,590.04

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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.