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Finding the Fourth Proportional to 159,119.80, 238,674.30 and 40,792.30

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Solution

The fourth proportional to 159,119.80, 238,674.30 and 40,792.30 is: 61,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119.80 : 238,674.30 = 40,792.30 : x
  2. Step 2: Convert to fraction form
    159,119.80/238,674.30 = 40,792.30/x
  3. Step 3: Cross multiply
    159,119.80x = 238,674.30 × 40,792.30
  4. Step 4: Simplify right side
    159,119.80x = 9,736,073,647.89
  5. Step 5: Solve for x
    x = 9,736,073,647.89/159,119.80
  6. Step 6: Final answer
    x = 61,187.07

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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.