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Finding the Fourth Proportional to 180,416.81, 270,685.34 and 60,485.62

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Solution

The fourth proportional to 180,416.81, 270,685.34 and 60,485.62 is: 90,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,416.81 : 270,685.34 = 60,485.62 : x
  2. Step 2: Convert to fraction form
    180,416.81/270,685.34 = 60,485.62/x
  3. Step 3: Cross multiply
    180,416.81x = 270,685.34 × 60,485.62
  4. Step 4: Simplify right side
    180,416.81x = 16,372,569,862.49
  5. Step 5: Solve for x
    x = 16,372,569,862.49/180,416.81
  6. Step 6: Final answer
    x = 90,748.58

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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.