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Finding the Fourth Proportional to 118,186.97, 177,241.97 and 39,280.01

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Solution

The fourth proportional to 118,186.97, 177,241.97 and 39,280.01 is: 58,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,186.97 : 177,241.97 = 39,280.01 : x
  2. Step 2: Convert to fraction form
    118,186.97/177,241.97 = 39,280.01/x
  3. Step 3: Cross multiply
    118,186.97x = 177,241.97 × 39,280.01
  4. Step 4: Simplify right side
    118,186.97x = 6,962,065,566.01
  5. Step 5: Solve for x
    x = 6,962,065,566.01/118,186.97
  6. Step 6: Final answer
    x = 58,907.22

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1.5x scale

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.