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Finding the Fourth Proportional to 251,047.49, 346,670.57 and 187,274.57

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Solution

The fourth proportional to 251,047.49, 346,670.57 and 187,274.57 is: 258,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,047.49 : 346,670.57 = 187,274.57 : x
  2. Step 2: Convert to fraction form
    251,047.49/346,670.57 = 187,274.57/x
  3. Step 3: Cross multiply
    251,047.49x = 346,670.57 × 187,274.57
  4. Step 4: Simplify right side
    251,047.49x = 64,922,580,992.03
  5. Step 5: Solve for x
    x = 64,922,580,992.03/251,047.49
  6. Step 6: Final answer
    x = 258,606.77

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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.