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Finding the Fourth Proportional to 158,035.60, 236,722.20 and 73,867.60

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Solution

The fourth proportional to 158,035.60, 236,722.20 and 73,867.60 is: 110,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,035.60 : 236,722.20 = 73,867.60 : x
  2. Step 2: Convert to fraction form
    158,035.60/236,722.20 = 73,867.60/x
  3. Step 3: Cross multiply
    158,035.60x = 236,722.20 × 73,867.60
  4. Step 4: Simplify right side
    158,035.60x = 17,486,100,780.72
  5. Step 5: Solve for x
    x = 17,486,100,780.72/158,035.60
  6. Step 6: Final answer
    x = 110,646.59

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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.