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Finding the Fourth Proportional to 235,647.68, 353,392.24 and 75,684.36

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Solution

The fourth proportional to 235,647.68, 353,392.24 and 75,684.36 is: 113,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,647.68 : 353,392.24 = 75,684.36 : x
  2. Step 2: Convert to fraction form
    235,647.68/353,392.24 = 75,684.36/x
  3. Step 3: Cross multiply
    235,647.68x = 353,392.24 × 75,684.36
  4. Step 4: Simplify right side
    235,647.68x = 26,746,265,513.37
  5. Step 5: Solve for x
    x = 26,746,265,513.37/235,647.68
  6. Step 6: Final answer
    x = 113,501.08

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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.