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Finding the Fourth Proportional to 162,880.44, 224,784.19 and 91,283.52

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Solution

The fourth proportional to 162,880.44, 224,784.19 and 91,283.52 is: 125,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,880.44 : 224,784.19 = 91,283.52 : x
  2. Step 2: Convert to fraction form
    162,880.44/224,784.19 = 91,283.52/x
  3. Step 3: Cross multiply
    162,880.44x = 224,784.19 × 91,283.52
  4. Step 4: Simplify right side
    162,880.44x = 20,519,092,103.55
  5. Step 5: Solve for x
    x = 20,519,092,103.55/162,880.44
  6. Step 6: Final answer
    x = 125,976.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.