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Finding the Fourth Proportional to 177,718.60, 266,594.61 and 65,400.97

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Solution

The fourth proportional to 177,718.60, 266,594.61 and 65,400.97 is: 98,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,718.60 : 266,594.61 = 65,400.97 : x
  2. Step 2: Convert to fraction form
    177,718.60/266,594.61 = 65,400.97/x
  3. Step 3: Cross multiply
    177,718.60x = 266,594.61 × 65,400.97
  4. Step 4: Simplify right side
    177,718.60x = 17,435,546,090.77
  5. Step 5: Solve for x
    x = 17,435,546,090.77/177,718.60
  6. Step 6: Final answer
    x = 98,107.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.