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Finding the Fourth Proportional to 163,015.68, 244,526.08 and 74,265.60

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Solution

The fourth proportional to 163,015.68, 244,526.08 and 74,265.60 is: 111,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,015.68 : 244,526.08 = 74,265.60 : x
  2. Step 2: Convert to fraction form
    163,015.68/244,526.08 = 74,265.60/x
  3. Step 3: Cross multiply
    163,015.68x = 244,526.08 × 74,265.60
  4. Step 4: Simplify right side
    163,015.68x = 18,159,876,046.85
  5. Step 5: Solve for x
    x = 18,159,876,046.85/163,015.68
  6. Step 6: Final answer
    x = 111,399.57

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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.