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Finding the Fourth Proportional to 235,489.50, 325,004.94 and 134,887.50

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Solution

The fourth proportional to 235,489.50, 325,004.94 and 134,887.50 is: 186,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,489.50 : 325,004.94 = 134,887.50 : x
  2. Step 2: Convert to fraction form
    235,489.50/325,004.94 = 134,887.50/x
  3. Step 3: Cross multiply
    235,489.50x = 325,004.94 × 134,887.50
  4. Step 4: Simplify right side
    235,489.50x = 43,839,103,844.25
  5. Step 5: Solve for x
    x = 43,839,103,844.25/235,489.50
  6. Step 6: Final answer
    x = 186,161.61

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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.