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Finding the Fourth Proportional to 537,149.08, 805,741.62 and 163,171

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Solution

The fourth proportional to 537,149.08, 805,741.62 and 163,171 is: 244,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,149.08 : 805,741.62 = 163,171 : x
  2. Step 2: Convert to fraction form
    537,149.08/805,741.62 = 163,171/x
  3. Step 3: Cross multiply
    537,149.08x = 805,741.62 × 163,171
  4. Step 4: Simplify right side
    537,149.08x = 131,473,665,877.02
  5. Step 5: Solve for x
    x = 131,473,665,877.02/537,149.08
  6. Step 6: Final answer
    x = 244,761.97

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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.