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Finding the Fourth Proportional to 162,806.30, 244,209.45 and 74,232.80

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Solution

The fourth proportional to 162,806.30, 244,209.45 and 74,232.80 is: 111,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,806.30 : 244,209.45 = 74,232.80 : x
  2. Step 2: Convert to fraction form
    162,806.30/244,209.45 = 74,232.80/x
  3. Step 3: Cross multiply
    162,806.30x = 244,209.45 × 74,232.80
  4. Step 4: Simplify right side
    162,806.30x = 18,128,351,259.96
  5. Step 5: Solve for x
    x = 18,128,351,259.96/162,806.30
  6. Step 6: Final answer
    x = 111,349.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.