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Finding the Fourth Proportional to 158,847.60, 238,206.60 and 53,612.40

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Solution

The fourth proportional to 158,847.60, 238,206.60 and 53,612.40 is: 80,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,847.60 : 238,206.60 = 53,612.40 : x
  2. Step 2: Convert to fraction form
    158,847.60/238,206.60 = 53,612.40/x
  3. Step 3: Cross multiply
    158,847.60x = 238,206.60 × 53,612.40
  4. Step 4: Simplify right side
    158,847.60x = 12,770,827,521.84
  5. Step 5: Solve for x
    x = 12,770,827,521.84/158,847.60
  6. Step 6: Final answer
    x = 80,396.73

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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.