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Finding the Fourth Proportional to 168,925.64, 253,500.30 and 90,096.68

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Solution

The fourth proportional to 168,925.64, 253,500.30 and 90,096.68 is: 135,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,925.64 : 253,500.30 = 90,096.68 : x
  2. Step 2: Convert to fraction form
    168,925.64/253,500.30 = 90,096.68/x
  3. Step 3: Cross multiply
    168,925.64x = 253,500.30 × 90,096.68
  4. Step 4: Simplify right side
    168,925.64x = 22,839,535,409.00
  5. Step 5: Solve for x
    x = 22,839,535,409.00/168,925.64
  6. Step 6: Final answer
    x = 135,204.67

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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.