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Finding the Fourth Proportional to 230,813.64, 346,216.86 and 118,429.02

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Solution

The fourth proportional to 230,813.64, 346,216.86 and 118,429.02 is: 177,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,813.64 : 346,216.86 = 118,429.02 : x
  2. Step 2: Convert to fraction form
    230,813.64/346,216.86 = 118,429.02/x
  3. Step 3: Cross multiply
    230,813.64x = 346,216.86 × 118,429.02
  4. Step 4: Simplify right side
    230,813.64x = 41,002,123,437.28
  5. Step 5: Solve for x
    x = 41,002,123,437.28/230,813.64
  6. Step 6: Final answer
    x = 177,641.68

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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.