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Finding the Fourth Proportional to 115,689.96, 173,541.02 and 32,590.44

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Solution

The fourth proportional to 115,689.96, 173,541.02 and 32,590.44 is: 48,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,689.96 : 173,541.02 = 32,590.44 : x
  2. Step 2: Convert to fraction form
    115,689.96/173,541.02 = 32,590.44/x
  3. Step 3: Cross multiply
    115,689.96x = 173,541.02 × 32,590.44
  4. Step 4: Simplify right side
    115,689.96x = 5,655,778,199.85
  5. Step 5: Solve for x
    x = 5,655,778,199.85/115,689.96
  6. Step 6: Final answer
    x = 48,887.37

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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.