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Finding the Fourth Proportional to 191,169.76, 263,425.22 and 147,886.32

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Solution

The fourth proportional to 191,169.76, 263,425.22 and 147,886.32 is: 203,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,169.76 : 263,425.22 = 147,886.32 : x
  2. Step 2: Convert to fraction form
    191,169.76/263,425.22 = 147,886.32/x
  3. Step 3: Cross multiply
    191,169.76x = 263,425.22 × 147,886.32
  4. Step 4: Simplify right side
    191,169.76x = 38,956,986,380.99
  5. Step 5: Solve for x
    x = 38,956,986,380.99/191,169.76
  6. Step 6: Final answer
    x = 203,782.16

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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.