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Finding the Fourth Proportional to 341,596.10, 512,412.80 and 141,936.68

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Solution

The fourth proportional to 341,596.10, 512,412.80 and 141,936.68 is: 212,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,596.10 : 512,412.80 = 141,936.68 : x
  2. Step 2: Convert to fraction form
    341,596.10/512,412.80 = 141,936.68/x
  3. Step 3: Cross multiply
    341,596.10x = 512,412.80 × 141,936.68
  4. Step 4: Simplify right side
    341,596.10x = 72,730,171,621.50
  5. Step 5: Solve for x
    x = 72,730,171,621.50/341,596.10
  6. Step 6: Final answer
    x = 212,912.77

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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.