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Finding the Fourth Proportional to 162,880.88, 224,789.40 and 91,259.84

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Solution

The fourth proportional to 162,880.88, 224,789.40 and 91,259.84 is: 125,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,880.88 : 224,789.40 = 91,259.84 : x
  2. Step 2: Convert to fraction form
    162,880.88/224,789.40 = 91,259.84/x
  3. Step 3: Cross multiply
    162,880.88x = 224,789.40 × 91,259.84
  4. Step 4: Simplify right side
    162,880.88x = 20,514,244,677.70
  5. Step 5: Solve for x
    x = 20,514,244,677.70/162,880.88
  6. Step 6: Final answer
    x = 125,946.30

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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.