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Finding the Fourth Proportional to 254,120.84, 350,677.80 and 140,954.12

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Solution

The fourth proportional to 254,120.84, 350,677.80 and 140,954.12 is: 194,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,120.84 : 350,677.80 = 140,954.12 : x
  2. Step 2: Convert to fraction form
    254,120.84/350,677.80 = 140,954.12/x
  3. Step 3: Cross multiply
    254,120.84x = 350,677.80 × 140,954.12
  4. Step 4: Simplify right side
    254,120.84x = 49,429,480,702.54
  5. Step 5: Solve for x
    x = 49,429,480,702.54/254,120.84
  6. Step 6: Final answer
    x = 194,511.72

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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.