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Finding the Fourth Proportional to 162,889.27, 224,787.03 and 91,269.79

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Solution

The fourth proportional to 162,889.27, 224,787.03 and 91,269.79 is: 125,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,889.27 : 224,787.03 = 91,269.79 : x
  2. Step 2: Convert to fraction form
    162,889.27/224,787.03 = 91,269.79/x
  3. Step 3: Cross multiply
    162,889.27x = 224,787.03 × 91,269.79
  4. Step 4: Simplify right side
    162,889.27x = 20,516,265,022.82
  5. Step 5: Solve for x
    x = 20,516,265,022.82/162,889.27
  6. Step 6: Final answer
    x = 125,952.22

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1.5x scale

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.