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Finding the Fourth Proportional to 191,221.92, 263,894.76 and 110,653.20

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Solution

The fourth proportional to 191,221.92, 263,894.76 and 110,653.20 is: 152,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,221.92 : 263,894.76 = 110,653.20 : x
  2. Step 2: Convert to fraction form
    191,221.92/263,894.76 = 110,653.20/x
  3. Step 3: Cross multiply
    191,221.92x = 263,894.76 × 110,653.20
  4. Step 4: Simplify right side
    191,221.92x = 29,200,799,657.23
  5. Step 5: Solve for x
    x = 29,200,799,657.23/191,221.92
  6. Step 6: Final answer
    x = 152,706.34

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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.