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Finding the Fourth Proportional to 235,900.16, 325,572 and 135,296

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Solution

The fourth proportional to 235,900.16, 325,572 and 135,296 is: 186,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,900.16 : 325,572 = 135,296 : x
  2. Step 2: Convert to fraction form
    235,900.16/325,572 = 135,296/x
  3. Step 3: Cross multiply
    235,900.16x = 325,572 × 135,296
  4. Step 4: Simplify right side
    235,900.16x = 44,048,589,312
  5. Step 5: Solve for x
    x = 44,048,589,312/235,900.16
  6. Step 6: Final answer
    x = 186,725.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.