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Finding the Fourth Proportional to 162,653.80, 224,454.18 and 91,033.96

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Solution

The fourth proportional to 162,653.80, 224,454.18 and 91,033.96 is: 125,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,653.80 : 224,454.18 = 91,033.96 : x
  2. Step 2: Convert to fraction form
    162,653.80/224,454.18 = 91,033.96/x
  3. Step 3: Cross multiply
    162,653.80x = 224,454.18 × 91,033.96
  4. Step 4: Simplify right side
    162,653.80x = 20,432,952,843.95
  5. Step 5: Solve for x
    x = 20,432,952,843.95/162,653.80
  6. Step 6: Final answer
    x = 125,622.35

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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.