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Finding the Fourth Proportional to 136,368.93, 204,565.23 and 41,620.45

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Solution

The fourth proportional to 136,368.93, 204,565.23 and 41,620.45 is: 62,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.93 : 204,565.23 = 41,620.45 : x
  2. Step 2: Convert to fraction form
    136,368.93/204,565.23 = 41,620.45/x
  3. Step 3: Cross multiply
    136,368.93x = 204,565.23 × 41,620.45
  4. Step 4: Simplify right side
    136,368.93x = 8,514,096,415.54
  5. Step 5: Solve for x
    x = 8,514,096,415.54/136,368.93
  6. Step 6: Final answer
    x = 62,434.28

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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.