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Finding the Fourth Proportional to 101,848.40, 152,887.80 and 60,318.80

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Solution

The fourth proportional to 101,848.40, 152,887.80 and 60,318.80 is: 90,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,848.40 : 152,887.80 = 60,318.80 : x
  2. Step 2: Convert to fraction form
    101,848.40/152,887.80 = 60,318.80/x
  3. Step 3: Cross multiply
    101,848.40x = 152,887.80 × 60,318.80
  4. Step 4: Simplify right side
    101,848.40x = 9,222,008,630.64
  5. Step 5: Solve for x
    x = 9,222,008,630.64/101,848.40
  6. Step 6: Final answer
    x = 90,546.43

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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.