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Finding the Fourth Proportional to 265,855.84, 366,912.60 and 151,151.78

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Solution

The fourth proportional to 265,855.84, 366,912.60 and 151,151.78 is: 208,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,855.84 : 366,912.60 = 151,151.78 : x
  2. Step 2: Convert to fraction form
    265,855.84/366,912.60 = 151,151.78/x
  3. Step 3: Cross multiply
    265,855.84x = 366,912.60 × 151,151.78
  4. Step 4: Simplify right side
    265,855.84x = 55,459,492,594.43
  5. Step 5: Solve for x
    x = 55,459,492,594.43/265,855.84
  6. Step 6: Final answer
    x = 208,607.39

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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.