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Finding the Fourth Proportional to 102,568,863.90, 153,722,659.05 and 41,916,063.90

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Solution

The fourth proportional to 102,568,863.90, 153,722,659.05 and 41,916,063.90 is: 62,820,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568,863.90 : 153,722,659.05 = 41,916,063.90 : x
  2. Step 2: Convert to fraction form
    102,568,863.90/153,722,659.05 = 41,916,063.90/x
  3. Step 3: Cross multiply
    102,568,863.90x = 153,722,659.05 × 41,916,063.90
  4. Step 4: Simplify right side
    102,568,863.90x = 6,443,448,799,617,714
  5. Step 5: Solve for x
    x = 6,443,448,799,617,714/102,568,863.90
  6. Step 6: Final answer
    x = 62,820,709.47

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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.