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Finding the Fourth Proportional to 118,703.96, 178,073.52 and 34,464.80

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Solution

The fourth proportional to 118,703.96, 178,073.52 and 34,464.80 is: 51,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703.96 : 178,073.52 = 34,464.80 : x
  2. Step 2: Convert to fraction form
    118,703.96/178,073.52 = 34,464.80/x
  3. Step 3: Cross multiply
    118,703.96x = 178,073.52 × 34,464.80
  4. Step 4: Simplify right side
    118,703.96x = 6,137,268,252.10
  5. Step 5: Solve for x
    x = 6,137,268,252.10/118,703.96
  6. Step 6: Final answer
    x = 51,702.30

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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.