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Finding the Fourth Proportional to 191,655.60, 264,487.64 and 109,996.96

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Solution

The fourth proportional to 191,655.60, 264,487.64 and 109,996.96 is: 151,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,655.60 : 264,487.64 = 109,996.96 : x
  2. Step 2: Convert to fraction form
    191,655.60/264,487.64 = 109,996.96/x
  3. Step 3: Cross multiply
    191,655.60x = 264,487.64 × 109,996.96
  4. Step 4: Simplify right side
    191,655.60x = 29,092,836,357.57
  5. Step 5: Solve for x
    x = 29,092,836,357.57/191,655.60
  6. Step 6: Final answer
    x = 151,797.48

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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.