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Finding the Fourth Proportional to 191,874.95, 287,813.12 and 58,754.66

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Solution

The fourth proportional to 191,874.95, 287,813.12 and 58,754.66 is: 88,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,874.95 : 287,813.12 = 58,754.66 : x
  2. Step 2: Convert to fraction form
    191,874.95/287,813.12 = 58,754.66/x
  3. Step 3: Cross multiply
    191,874.95x = 287,813.12 × 58,754.66
  4. Step 4: Simplify right side
    191,874.95x = 16,910,362,434.90
  5. Step 5: Solve for x
    x = 16,910,362,434.90/191,874.95
  6. Step 6: Final answer
    x = 88,132.21

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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.