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Finding the Fourth Proportional to 162,806.14, 224,680.80 and 91,181.62

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Solution

The fourth proportional to 162,806.14, 224,680.80 and 91,181.62 is: 125,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,806.14 : 224,680.80 = 91,181.62 : x
  2. Step 2: Convert to fraction form
    162,806.14/224,680.80 = 91,181.62/x
  3. Step 3: Cross multiply
    162,806.14x = 224,680.80 × 91,181.62
  4. Step 4: Simplify right side
    162,806.14x = 20,486,759,326.90
  5. Step 5: Solve for x
    x = 20,486,759,326.90/162,806.14
  6. Step 6: Final answer
    x = 125,835.30

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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.