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Finding the Fourth Proportional to 341,371.95, 512,123.99 and 130,993.53

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Solution

The fourth proportional to 341,371.95, 512,123.99 and 130,993.53 is: 196,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,371.95 : 512,123.99 = 130,993.53 : x
  2. Step 2: Convert to fraction form
    341,371.95/512,123.99 = 130,993.53/x
  3. Step 3: Cross multiply
    341,371.95x = 512,123.99 × 130,993.53
  4. Step 4: Simplify right side
    341,371.95x = 67,084,928,592.82
  5. Step 5: Solve for x
    x = 67,084,928,592.82/341,371.95
  6. Step 6: Final answer
    x = 196,515.64

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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.