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Finding the Fourth Proportional to 235,618.46, 353,460.55 and 75,699.25

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Solution

The fourth proportional to 235,618.46, 353,460.55 and 75,699.25 is: 113,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,618.46 : 353,460.55 = 75,699.25 : x
  2. Step 2: Convert to fraction form
    235,618.46/353,460.55 = 75,699.25/x
  3. Step 3: Cross multiply
    235,618.46x = 353,460.55 × 75,699.25
  4. Step 4: Simplify right side
    235,618.46x = 26,756,697,466.69
  5. Step 5: Solve for x
    x = 26,756,697,466.69/235,618.46
  6. Step 6: Final answer
    x = 113,559.43

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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.