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Finding the Fourth Proportional to 273,137.47, 376,931.37 and 152,286.48

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Solution

The fourth proportional to 273,137.47, 376,931.37 and 152,286.48 is: 210,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,137.47 : 376,931.37 = 152,286.48 : x
  2. Step 2: Convert to fraction form
    273,137.47/376,931.37 = 152,286.48/x
  3. Step 3: Cross multiply
    273,137.47x = 376,931.37 × 152,286.48
  4. Step 4: Simplify right side
    273,137.47x = 57,401,552,109.95
  5. Step 5: Solve for x
    x = 57,401,552,109.95/273,137.47
  6. Step 6: Final answer
    x = 210,156.27

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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.