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Finding the Fourth Proportional to 191,659.68, 264,646.08 and 171,480.96

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Solution

The fourth proportional to 191,659.68, 264,646.08 and 171,480.96 is: 236,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,659.68 : 264,646.08 = 171,480.96 : x
  2. Step 2: Convert to fraction form
    191,659.68/264,646.08 = 171,480.96/x
  3. Step 3: Cross multiply
    191,659.68x = 264,646.08 × 171,480.96
  4. Step 4: Simplify right side
    191,659.68x = 45,381,763,858.64
  5. Step 5: Solve for x
    x = 45,381,763,858.64/191,659.68
  6. Step 6: Final answer
    x = 236,783.05

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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.