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Finding the Fourth Proportional to 191,878.44, 287,818.33 and 58,758.11

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Solution

The fourth proportional to 191,878.44, 287,818.33 and 58,758.11 is: 88,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,878.44 : 287,818.33 = 58,758.11 : x
  2. Step 2: Convert to fraction form
    191,878.44/287,818.33 = 58,758.11/x
  3. Step 3: Cross multiply
    191,878.44x = 287,818.33 × 58,758.11
  4. Step 4: Simplify right side
    191,878.44x = 16,911,660,697.66
  5. Step 5: Solve for x
    x = 16,911,660,697.66/191,878.44
  6. Step 6: Final answer
    x = 88,137.37

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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.