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Finding the Fourth Proportional to 192,507,878.88, 265,659,064.74 and 104,403,820.86

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Solution

The fourth proportional to 192,507,878.88, 265,659,064.74 and 104,403,820.86 is: 144,076,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,507,878.88 : 265,659,064.74 = 104,403,820.86 : x
  2. Step 2: Convert to fraction form
    192,507,878.88/265,659,064.74 = 104,403,820.86/x
  3. Step 3: Cross multiply
    192,507,878.88x = 265,659,064.74 × 104,403,820.86
  4. Step 4: Simplify right side
    192,507,878.88x = 27,735,821,404,950,104
  5. Step 5: Solve for x
    x = 27,735,821,404,950,104/192,507,878.88
  6. Step 6: Final answer
    x = 144,076,292.18

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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.