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Finding the Fourth Proportional to 191,939.52, 287,910.08 and 58,809.52

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Solution

The fourth proportional to 191,939.52, 287,910.08 and 58,809.52 is: 88,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,939.52 : 287,910.08 = 58,809.52 : x
  2. Step 2: Convert to fraction form
    191,939.52/287,910.08 = 58,809.52/x
  3. Step 3: Cross multiply
    191,939.52x = 287,910.08 × 58,809.52
  4. Step 4: Simplify right side
    191,939.52x = 16,931,853,607.96
  5. Step 5: Solve for x
    x = 16,931,853,607.96/191,939.52
  6. Step 6: Final answer
    x = 88,214.53

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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.