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Finding the Fourth Proportional to 180,416.66, 270,685.11 and 60,485.46

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Solution

The fourth proportional to 180,416.66, 270,685.11 and 60,485.46 is: 90,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,416.66 : 270,685.11 = 60,485.46 : x
  2. Step 2: Convert to fraction form
    180,416.66/270,685.11 = 60,485.46/x
  3. Step 3: Cross multiply
    180,416.66x = 270,685.11 × 60,485.46
  4. Step 4: Simplify right side
    180,416.66x = 16,372,514,106.14
  5. Step 5: Solve for x
    x = 16,372,514,106.14/180,416.66
  6. Step 6: Final answer
    x = 90,748.35

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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.