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Finding the Fourth Proportional to 228,045.30, 342,067.95 and 153,395.70

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Solution

The fourth proportional to 228,045.30, 342,067.95 and 153,395.70 is: 230,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.30 : 342,067.95 = 153,395.70 : x
  2. Step 2: Convert to fraction form
    228,045.30/342,067.95 = 153,395.70/x
  3. Step 3: Cross multiply
    228,045.30x = 342,067.95 × 153,395.70
  4. Step 4: Simplify right side
    228,045.30x = 52,471,752,637.82
  5. Step 5: Solve for x
    x = 52,471,752,637.82/228,045.30
  6. Step 6: Final answer
    x = 230,093.55

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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.