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Finding the Fourth Proportional to 75,670.93, 104,425.88 and 43,858.28

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Solution

The fourth proportional to 75,670.93, 104,425.88 and 43,858.28 is: 60,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.93 : 104,425.88 = 43,858.28 : x
  2. Step 2: Convert to fraction form
    75,670.93/104,425.88 = 43,858.28/x
  3. Step 3: Cross multiply
    75,670.93x = 104,425.88 × 43,858.28
  4. Step 4: Simplify right side
    75,670.93x = 4,579,939,526.06
  5. Step 5: Solve for x
    x = 4,579,939,526.06/75,670.93
  6. Step 6: Final answer
    x = 60,524.43

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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.