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Finding the Fourth Proportional to 135,256.60, 202,884.90 and 93,266.20

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Solution

The fourth proportional to 135,256.60, 202,884.90 and 93,266.20 is: 139,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,256.60 : 202,884.90 = 93,266.20 : x
  2. Step 2: Convert to fraction form
    135,256.60/202,884.90 = 93,266.20/x
  3. Step 3: Cross multiply
    135,256.60x = 202,884.90 × 93,266.20
  4. Step 4: Simplify right side
    135,256.60x = 18,922,303,660.38
  5. Step 5: Solve for x
    x = 18,922,303,660.38/135,256.60
  6. Step 6: Final answer
    x = 139,899.30

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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.