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Finding the Fourth Proportional to 168,343.60, 252,515.40 and 43,684.60

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Solution

The fourth proportional to 168,343.60, 252,515.40 and 43,684.60 is: 65,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,343.60 : 252,515.40 = 43,684.60 : x
  2. Step 2: Convert to fraction form
    168,343.60/252,515.40 = 43,684.60/x
  3. Step 3: Cross multiply
    168,343.60x = 252,515.40 × 43,684.60
  4. Step 4: Simplify right side
    168,343.60x = 11,031,034,242.84
  5. Step 5: Solve for x
    x = 11,031,034,242.84/168,343.60
  6. Step 6: Final answer
    x = 65,526.90

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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.