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Finding the Fourth Proportional to 191,132.52, 263,771.88 and 106,251

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Solution

The fourth proportional to 191,132.52, 263,771.88 and 106,251 is: 146,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,132.52 : 263,771.88 = 106,251 : x
  2. Step 2: Convert to fraction form
    191,132.52/263,771.88 = 106,251/x
  3. Step 3: Cross multiply
    191,132.52x = 263,771.88 × 106,251
  4. Step 4: Simplify right side
    191,132.52x = 28,026,026,021.88
  5. Step 5: Solve for x
    x = 28,026,026,021.88/191,132.52
  6. Step 6: Final answer
    x = 146,631.38

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1.5x scale

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.