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Finding the Fourth Proportional to 151,693, 227,539.50 and 40,885

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Solution

The fourth proportional to 151,693, 227,539.50 and 40,885 is: 61,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,693 : 227,539.50 = 40,885 : x
  2. Step 2: Convert to fraction form
    151,693/227,539.50 = 40,885/x
  3. Step 3: Cross multiply
    151,693x = 227,539.50 × 40,885
  4. Step 4: Simplify right side
    151,693x = 9,302,952,457.50
  5. Step 5: Solve for x
    x = 9,302,952,457.50/151,693
  6. Step 6: Final answer
    x = 61,327.50

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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.