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Finding the Fourth Proportional to 236,088.54, 325,793.91 and 128,656.38

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Solution

The fourth proportional to 236,088.54, 325,793.91 and 128,656.38 is: 177,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,088.54 : 325,793.91 = 128,656.38 : x
  2. Step 2: Convert to fraction form
    236,088.54/325,793.91 = 128,656.38/x
  3. Step 3: Cross multiply
    236,088.54x = 325,793.91 × 128,656.38
  4. Step 4: Simplify right side
    236,088.54x = 41,915,465,086.65
  5. Step 5: Solve for x
    x = 41,915,465,086.65/236,088.54
  6. Step 6: Final answer
    x = 177,541.29

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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.