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Finding the Fourth Proportional to 171,273.34, 236,407.74 and 99,685.18

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Solution

The fourth proportional to 171,273.34, 236,407.74 and 99,685.18 is: 137,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,273.34 : 236,407.74 = 99,685.18 : x
  2. Step 2: Convert to fraction form
    171,273.34/236,407.74 = 99,685.18/x
  3. Step 3: Cross multiply
    171,273.34x = 236,407.74 × 99,685.18
  4. Step 4: Simplify right side
    171,273.34x = 23,566,348,115.29
  5. Step 5: Solve for x
    x = 23,566,348,115.29/171,273.34
  6. Step 6: Final answer
    x = 137,594.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.