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Finding the Fourth Proportional to 191,881.84, 287,823.45 and 58,761.52

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Solution

The fourth proportional to 191,881.84, 287,823.45 and 58,761.52 is: 88,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,881.84 : 287,823.45 = 58,761.52 : x
  2. Step 2: Convert to fraction form
    191,881.84/287,823.45 = 58,761.52/x
  3. Step 3: Cross multiply
    191,881.84x = 287,823.45 × 58,761.52
  4. Step 4: Simplify right side
    191,881.84x = 16,912,943,413.64
  5. Step 5: Solve for x
    x = 16,912,943,413.64/191,881.84
  6. Step 6: Final answer
    x = 88,142.49

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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.