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Finding the Fourth Proportional to 272,706.60, 376,334.16 and 151,849.34

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Solution

The fourth proportional to 272,706.60, 376,334.16 and 151,849.34 is: 209,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,706.60 : 376,334.16 = 151,849.34 : x
  2. Step 2: Convert to fraction form
    272,706.60/376,334.16 = 151,849.34/x
  3. Step 3: Cross multiply
    272,706.60x = 376,334.16 × 151,849.34
  4. Step 4: Simplify right side
    272,706.60x = 57,146,093,815.45
  5. Step 5: Solve for x
    x = 57,146,093,815.45/272,706.60
  6. Step 6: Final answer
    x = 209,551.56

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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.