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Finding the Fourth Proportional to 191,805.88, 287,696.92 and 58,675.72

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Solution

The fourth proportional to 191,805.88, 287,696.92 and 58,675.72 is: 88,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,805.88 : 287,696.92 = 58,675.72 : x
  2. Step 2: Convert to fraction form
    191,805.88/287,696.92 = 58,675.72/x
  3. Step 3: Cross multiply
    191,805.88x = 287,696.92 × 58,675.72
  4. Step 4: Simplify right side
    191,805.88x = 16,880,823,922.78
  5. Step 5: Solve for x
    x = 16,880,823,922.78/191,805.88
  6. Step 6: Final answer
    x = 88,009.94

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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.