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Finding the Fourth Proportional to 68,803.07, 94,907.91 and 43,268.93

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Solution

The fourth proportional to 68,803.07, 94,907.91 and 43,268.93 is: 59,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,803.07 : 94,907.91 = 43,268.93 : x
  2. Step 2: Convert to fraction form
    68,803.07/94,907.91 = 43,268.93/x
  3. Step 3: Cross multiply
    68,803.07x = 94,907.91 × 43,268.93
  4. Step 4: Simplify right side
    68,803.07x = 4,106,563,714.24
  5. Step 5: Solve for x
    x = 4,106,563,714.24/68,803.07
  6. Step 6: Final answer
    x = 59,685.76

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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.