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Finding the Fourth Proportional to 171,191.61, 236,164.75 and 110,781.74

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Solution

The fourth proportional to 171,191.61, 236,164.75 and 110,781.74 is: 152,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,191.61 : 236,164.75 = 110,781.74 : x
  2. Step 2: Convert to fraction form
    171,191.61/236,164.75 = 110,781.74/x
  3. Step 3: Cross multiply
    171,191.61x = 236,164.75 × 110,781.74
  4. Step 4: Simplify right side
    171,191.61x = 26,162,742,245.12
  5. Step 5: Solve for x
    x = 26,162,742,245.12/171,191.61
  6. Step 6: Final answer
    x = 152,827.25

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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.