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Finding the Fourth Proportional to 191,854.44, 264,755.52 and 105,821.37

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Solution

The fourth proportional to 191,854.44, 264,755.52 and 105,821.37 is: 146,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,854.44 : 264,755.52 = 105,821.37 : x
  2. Step 2: Convert to fraction form
    191,854.44/264,755.52 = 105,821.37/x
  3. Step 3: Cross multiply
    191,854.44x = 264,755.52 × 105,821.37
  4. Step 4: Simplify right side
    191,854.44x = 28,016,791,841.46
  5. Step 5: Solve for x
    x = 28,016,791,841.46/191,854.44
  6. Step 6: Final answer
    x = 146,031.50

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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.