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Finding the Fourth Proportional to 235,087.04, 324,420.12 and 134,485.04

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Solution

The fourth proportional to 235,087.04, 324,420.12 and 134,485.04 is: 185,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,087.04 : 324,420.12 = 134,485.04 : x
  2. Step 2: Convert to fraction form
    235,087.04/324,420.12 = 134,485.04/x
  3. Step 3: Cross multiply
    235,087.04x = 324,420.12 × 134,485.04
  4. Step 4: Simplify right side
    235,087.04x = 43,629,653,626.06
  5. Step 5: Solve for x
    x = 43,629,653,626.06/235,087.04
  6. Step 6: Final answer
    x = 185,589.36

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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.