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Finding the Fourth Proportional to 262,486.56, 393,687.72 and 93,975.60

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Solution

The fourth proportional to 262,486.56, 393,687.72 and 93,975.60 is: 140,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,486.56 : 393,687.72 = 93,975.60 : x
  2. Step 2: Convert to fraction form
    262,486.56/393,687.72 = 93,975.60/x
  3. Step 3: Cross multiply
    262,486.56x = 393,687.72 × 93,975.60
  4. Step 4: Simplify right side
    262,486.56x = 36,997,039,699.63
  5. Step 5: Solve for x
    x = 36,997,039,699.63/262,486.56
  6. Step 6: Final answer
    x = 140,948.32

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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.