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Finding the Fourth Proportional to 236,084.76, 325,797.02 and 128,654.80

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Solution

The fourth proportional to 236,084.76, 325,797.02 and 128,654.80 is: 177,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,084.76 : 325,797.02 = 128,654.80 : x
  2. Step 2: Convert to fraction form
    236,084.76/325,797.02 = 128,654.80/x
  3. Step 3: Cross multiply
    236,084.76x = 325,797.02 × 128,654.80
  4. Step 4: Simplify right side
    236,084.76x = 41,915,350,448.70
  5. Step 5: Solve for x
    x = 41,915,350,448.70/236,084.76
  6. Step 6: Final answer
    x = 177,543.65

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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.