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Finding the Fourth Proportional to 158,846.80, 238,270.20 and 151,848.40

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Solution

The fourth proportional to 158,846.80, 238,270.20 and 151,848.40 is: 227,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,846.80 : 238,270.20 = 151,848.40 : x
  2. Step 2: Convert to fraction form
    158,846.80/238,270.20 = 151,848.40/x
  3. Step 3: Cross multiply
    158,846.80x = 238,270.20 × 151,848.40
  4. Step 4: Simplify right side
    158,846.80x = 36,180,948,637.68
  5. Step 5: Solve for x
    x = 36,180,948,637.68/158,846.80
  6. Step 6: Final answer
    x = 227,772.60

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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.