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Finding the Fourth Proportional to 191,809.32, 264,722.52 and 110,169.72

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Solution

The fourth proportional to 191,809.32, 264,722.52 and 110,169.72 is: 152,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,809.32 : 264,722.52 = 110,169.72 : x
  2. Step 2: Convert to fraction form
    191,809.32/264,722.52 = 110,169.72/x
  3. Step 3: Cross multiply
    191,809.32x = 264,722.52 × 110,169.72
  4. Step 4: Simplify right side
    191,809.32x = 29,164,405,906.09
  5. Step 5: Solve for x
    x = 29,164,405,906.09/191,809.32
  6. Step 6: Final answer
    x = 152,048.95

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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.