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Finding the Fourth Proportional to 163,034.20, 244,551.30 and 118,419.40

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Solution

The fourth proportional to 163,034.20, 244,551.30 and 118,419.40 is: 177,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,034.20 : 244,551.30 = 118,419.40 : x
  2. Step 2: Convert to fraction form
    163,034.20/244,551.30 = 118,419.40/x
  3. Step 3: Cross multiply
    163,034.20x = 244,551.30 × 118,419.40
  4. Step 4: Simplify right side
    163,034.20x = 28,959,618,215.22
  5. Step 5: Solve for x
    x = 28,959,618,215.22/163,034.20
  6. Step 6: Final answer
    x = 177,629.10

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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.