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Finding the Fourth Proportional to 133,689.10, 200,531.74 and 32,487.89

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Solution

The fourth proportional to 133,689.10, 200,531.74 and 32,487.89 is: 48,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,689.10 : 200,531.74 = 32,487.89 : x
  2. Step 2: Convert to fraction form
    133,689.10/200,531.74 = 32,487.89/x
  3. Step 3: Cross multiply
    133,689.10x = 200,531.74 × 32,487.89
  4. Step 4: Simplify right side
    133,689.10x = 6,514,852,887.97
  5. Step 5: Solve for x
    x = 6,514,852,887.97/133,689.10
  6. Step 6: Final answer
    x = 48,731.37

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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.