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Finding the Fourth Proportional to 191,058.59, 263,639.90 and 110,473.91

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Solution

The fourth proportional to 191,058.59, 263,639.90 and 110,473.91 is: 152,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,058.59 : 263,639.90 = 110,473.91 : x
  2. Step 2: Convert to fraction form
    191,058.59/263,639.90 = 110,473.91/x
  3. Step 3: Cross multiply
    191,058.59x = 263,639.90 × 110,473.91
  4. Step 4: Simplify right side
    191,058.59x = 29,125,328,714.44
  5. Step 5: Solve for x
    x = 29,125,328,714.44/191,058.59
  6. Step 6: Final answer
    x = 152,441.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.