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Finding the Fourth Proportional to 163,967.55, 245,738.29 and 73,944.15

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Solution

The fourth proportional to 163,967.55, 245,738.29 and 73,944.15 is: 110,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,967.55 : 245,738.29 = 73,944.15 : x
  2. Step 2: Convert to fraction form
    163,967.55/245,738.29 = 73,944.15/x
  3. Step 3: Cross multiply
    163,967.55x = 245,738.29 × 73,944.15
  4. Step 4: Simplify right side
    163,967.55x = 18,170,908,177.30
  5. Step 5: Solve for x
    x = 18,170,908,177.30/163,967.55
  6. Step 6: Final answer
    x = 110,820.15

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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.