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Finding the Fourth Proportional to 191,098.44, 263,742.48 and 137,560.68

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Solution

The fourth proportional to 191,098.44, 263,742.48 and 137,560.68 is: 189,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,098.44 : 263,742.48 = 137,560.68 : x
  2. Step 2: Convert to fraction form
    191,098.44/263,742.48 = 137,560.68/x
  3. Step 3: Cross multiply
    191,098.44x = 263,742.48 × 137,560.68
  4. Step 4: Simplify right side
    191,098.44x = 36,280,594,893.69
  5. Step 5: Solve for x
    x = 36,280,594,893.69/191,098.44
  6. Step 6: Final answer
    x = 189,852.91

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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.