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Finding the Fourth Proportional to 191,636.64, 287,454.96 and 73,344.24

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Solution

The fourth proportional to 191,636.64, 287,454.96 and 73,344.24 is: 110,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,636.64 : 287,454.96 = 73,344.24 : x
  2. Step 2: Convert to fraction form
    191,636.64/287,454.96 = 73,344.24/x
  3. Step 3: Cross multiply
    191,636.64x = 287,454.96 × 73,344.24
  4. Step 4: Simplify right side
    191,636.64x = 21,083,165,575.43
  5. Step 5: Solve for x
    x = 21,083,165,575.43/191,636.64
  6. Step 6: Final answer
    x = 110,016.36

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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.