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Finding the Fourth Proportional to 235,619.22, 353,461.68 and 75,700

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Solution

The fourth proportional to 235,619.22, 353,461.68 and 75,700 is: 113,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,619.22 : 353,461.68 = 75,700 : x
  2. Step 2: Convert to fraction form
    235,619.22/353,461.68 = 75,700/x
  3. Step 3: Cross multiply
    235,619.22x = 353,461.68 × 75,700
  4. Step 4: Simplify right side
    235,619.22x = 26,757,049,176
  5. Step 5: Solve for x
    x = 26,757,049,176/235,619.22
  6. Step 6: Final answer
    x = 113,560.55

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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.