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Finding the Fourth Proportional to 236,055.93, 325,752.97 and 128,626.89

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Solution

The fourth proportional to 236,055.93, 325,752.97 and 128,626.89 is: 177,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,055.93 : 325,752.97 = 128,626.89 : x
  2. Step 2: Convert to fraction form
    236,055.93/325,752.97 = 128,626.89/x
  3. Step 3: Cross multiply
    236,055.93x = 325,752.97 × 128,626.89
  4. Step 4: Simplify right side
    236,055.93x = 41,900,591,439.36
  5. Step 5: Solve for x
    x = 41,900,591,439.36/236,055.93
  6. Step 6: Final answer
    x = 177,502.81

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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.