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Finding the Fourth Proportional to 75,473.93, 113,203.94 and 25,548.32

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Solution

The fourth proportional to 75,473.93, 113,203.94 and 25,548.32 is: 38,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,473.93 : 113,203.94 = 25,548.32 : x
  2. Step 2: Convert to fraction form
    75,473.93/113,203.94 = 25,548.32/x
  3. Step 3: Cross multiply
    75,473.93x = 113,203.94 × 25,548.32
  4. Step 4: Simplify right side
    75,473.93x = 2,892,169,918.36
  5. Step 5: Solve for x
    x = 2,892,169,918.36/75,473.93
  6. Step 6: Final answer
    x = 38,320.12

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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.