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Finding the Fourth Proportional to 193,520.84, 267,040.50 and 108,621.32

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Solution

The fourth proportional to 193,520.84, 267,040.50 and 108,621.32 is: 149,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,520.84 : 267,040.50 = 108,621.32 : x
  2. Step 2: Convert to fraction form
    193,520.84/267,040.50 = 108,621.32/x
  3. Step 3: Cross multiply
    193,520.84x = 267,040.50 × 108,621.32
  4. Step 4: Simplify right side
    193,520.84x = 29,006,291,603.46
  5. Step 5: Solve for x
    x = 29,006,291,603.46/193,520.84
  6. Step 6: Final answer
    x = 149,887.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.