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Finding the Fourth Proportional to 236,225.93, 325,993.34 and 128,797.76

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Solution

The fourth proportional to 236,225.93, 325,993.34 and 128,797.76 is: 177,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,225.93 : 325,993.34 = 128,797.76 : x
  2. Step 2: Convert to fraction form
    236,225.93/325,993.34 = 128,797.76/x
  3. Step 3: Cross multiply
    236,225.93x = 325,993.34 × 128,797.76
  4. Step 4: Simplify right side
    236,225.93x = 41,987,209,692.96
  5. Step 5: Solve for x
    x = 41,987,209,692.96/236,225.93
  6. Step 6: Final answer
    x = 177,741.75

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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.