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Finding the Fourth Proportional to 136,954.75, 205,432.12 and 37,114.94

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Solution

The fourth proportional to 136,954.75, 205,432.12 and 37,114.94 is: 55,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,954.75 : 205,432.12 = 37,114.94 : x
  2. Step 2: Convert to fraction form
    136,954.75/205,432.12 = 37,114.94/x
  3. Step 3: Cross multiply
    136,954.75x = 205,432.12 × 37,114.94
  4. Step 4: Simplify right side
    136,954.75x = 7,624,600,807.87
  5. Step 5: Solve for x
    x = 7,624,600,807.87/136,954.75
  6. Step 6: Final answer
    x = 55,672.41

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1.5x scale

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.