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Finding the Fourth Proportional to 262,441.46, 393,724.65 and 84,948.45

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Solution

The fourth proportional to 262,441.46, 393,724.65 and 84,948.45 is: 127,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441.46 : 393,724.65 = 84,948.45 : x
  2. Step 2: Convert to fraction form
    262,441.46/393,724.65 = 84,948.45/x
  3. Step 3: Cross multiply
    262,441.46x = 393,724.65 × 84,948.45
  4. Step 4: Simplify right side
    262,441.46x = 33,446,298,744.29
  5. Step 5: Solve for x
    x = 33,446,298,744.29/262,441.46
  6. Step 6: Final answer
    x = 127,442.89

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