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Finding the Fourth Proportional to 135,295.60, 202,943.40 and 61,423.60

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Solution

The fourth proportional to 135,295.60, 202,943.40 and 61,423.60 is: 92,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,295.60 : 202,943.40 = 61,423.60 : x
  2. Step 2: Convert to fraction form
    135,295.60/202,943.40 = 61,423.60/x
  3. Step 3: Cross multiply
    135,295.60x = 202,943.40 × 61,423.60
  4. Step 4: Simplify right side
    135,295.60x = 12,465,514,224.24
  5. Step 5: Solve for x
    x = 12,465,514,224.24/135,295.60
  6. Step 6: Final answer
    x = 92,135.40

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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.