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Finding the Fourth Proportional to 75,368.88, 113,054.40 and 35,930.16

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Solution

The fourth proportional to 75,368.88, 113,054.40 and 35,930.16 is: 53,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,368.88 : 113,054.40 = 35,930.16 : x
  2. Step 2: Convert to fraction form
    75,368.88/113,054.40 = 35,930.16/x
  3. Step 3: Cross multiply
    75,368.88x = 113,054.40 × 35,930.16
  4. Step 4: Simplify right side
    75,368.88x = 4,062,062,680.70
  5. Step 5: Solve for x
    x = 4,062,062,680.70/75,368.88
  6. Step 6: Final answer
    x = 53,895.75

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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.