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Finding the Fourth Proportional to 235,567, 325,085.70 and 134,965

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Solution

The fourth proportional to 235,567, 325,085.70 and 134,965 is: 186,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,567 : 325,085.70 = 134,965 : x
  2. Step 2: Convert to fraction form
    235,567/325,085.70 = 134,965/x
  3. Step 3: Cross multiply
    235,567x = 325,085.70 × 134,965
  4. Step 4: Simplify right side
    235,567x = 43,875,191,500.50
  5. Step 5: Solve for x
    x = 43,875,191,500.50/235,567
  6. Step 6: Final answer
    x = 186,253.56

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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.