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Finding the Fourth Proportional to 245,524.51, 368,302.34 and 77,051.49

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Solution

The fourth proportional to 245,524.51, 368,302.34 and 77,051.49 is: 115,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,524.51 : 368,302.34 = 77,051.49 : x
  2. Step 2: Convert to fraction form
    245,524.51/368,302.34 = 77,051.49/x
  3. Step 3: Cross multiply
    245,524.51x = 368,302.34 × 77,051.49
  4. Step 4: Simplify right side
    245,524.51x = 28,378,244,067.49
  5. Step 5: Solve for x
    x = 28,378,244,067.49/245,524.51
  6. Step 6: Final answer
    x = 115,582.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.