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Finding the Fourth Proportional to 135,510.60, 202,877.10 and 131,622.60

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Solution

The fourth proportional to 135,510.60, 202,877.10 and 131,622.60 is: 197,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,510.60 : 202,877.10 = 131,622.60 : x
  2. Step 2: Convert to fraction form
    135,510.60/202,877.10 = 131,622.60/x
  3. Step 3: Cross multiply
    135,510.60x = 202,877.10 × 131,622.60
  4. Step 4: Simplify right side
    135,510.60x = 26,703,211,382.46
  5. Step 5: Solve for x
    x = 26,703,211,382.46/135,510.60
  6. Step 6: Final answer
    x = 197,056.26

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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.