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Finding the Fourth Proportional to 262,603.35, 393,974.82 and 94,140.72

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Solution

The fourth proportional to 262,603.35, 393,974.82 and 94,140.72 is: 141,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,603.35 : 393,974.82 = 94,140.72 : x
  2. Step 2: Convert to fraction form
    262,603.35/393,974.82 = 94,140.72/x
  3. Step 3: Cross multiply
    262,603.35x = 393,974.82 × 94,140.72
  4. Step 4: Simplify right side
    262,603.35x = 37,089,073,216.67
  5. Step 5: Solve for x
    x = 37,089,073,216.67/262,603.35
  6. Step 6: Final answer
    x = 141,236.10

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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.