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Finding the Fourth Proportional to 235,487.53, 324,858.53 and 139,926.56

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Solution

The fourth proportional to 235,487.53, 324,858.53 and 139,926.56 is: 193,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,487.53 : 324,858.53 = 139,926.56 : x
  2. Step 2: Convert to fraction form
    235,487.53/324,858.53 = 139,926.56/x
  3. Step 3: Cross multiply
    235,487.53x = 324,858.53 × 139,926.56
  4. Step 4: Simplify right side
    235,487.53x = 45,456,335,889.92
  5. Step 5: Solve for x
    x = 45,456,335,889.92/235,487.53
  6. Step 6: Final answer
    x = 193,030.76

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1.5x scale

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.