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Finding the Fourth Proportional to 245,486.70, 338,788.17 and 184,950.54

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Solution

The fourth proportional to 245,486.70, 338,788.17 and 184,950.54 is: 255,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,486.70 : 338,788.17 = 184,950.54 : x
  2. Step 2: Convert to fraction form
    245,486.70/338,788.17 = 184,950.54/x
  3. Step 3: Cross multiply
    245,486.70x = 338,788.17 × 184,950.54
  4. Step 4: Simplify right side
    245,486.70x = 62,659,054,987.11
  5. Step 5: Solve for x
    x = 62,659,054,987.11/245,486.70
  6. Step 6: Final answer
    x = 255,244.19

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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.