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Finding the Fourth Proportional to 206,925, 310,387.50 and 59,181

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Solution

The fourth proportional to 206,925, 310,387.50 and 59,181 is: 88,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,925 : 310,387.50 = 59,181 : x
  2. Step 2: Convert to fraction form
    206,925/310,387.50 = 59,181/x
  3. Step 3: Cross multiply
    206,925x = 310,387.50 × 59,181
  4. Step 4: Simplify right side
    206,925x = 18,369,042,637.50
  5. Step 5: Solve for x
    x = 18,369,042,637.50/206,925
  6. Step 6: Final answer
    x = 88,771.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.