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Finding the Fourth Proportional to 101,476.37, 140,093.70 and 61,200.38

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Solution

The fourth proportional to 101,476.37, 140,093.70 and 61,200.38 is: 84,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.37 : 140,093.70 = 61,200.38 : x
  2. Step 2: Convert to fraction form
    101,476.37/140,093.70 = 61,200.38/x
  3. Step 3: Cross multiply
    101,476.37x = 140,093.70 × 61,200.38
  4. Step 4: Simplify right side
    101,476.37x = 8,573,787,675.61
  5. Step 5: Solve for x
    x = 8,573,787,675.61/101,476.37
  6. Step 6: Final answer
    x = 84,490.48

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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.