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Finding the Fourth Proportional to 183,578.94, 275,112.10 and 99,157.09

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Solution

The fourth proportional to 183,578.94, 275,112.10 and 99,157.09 is: 148,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,578.94 : 275,112.10 = 99,157.09 : x
  2. Step 2: Convert to fraction form
    183,578.94/275,112.10 = 99,157.09/x
  3. Step 3: Cross multiply
    183,578.94x = 275,112.10 × 99,157.09
  4. Step 4: Simplify right side
    183,578.94x = 27,279,315,259.79
  5. Step 5: Solve for x
    x = 27,279,315,259.79/183,578.94
  6. Step 6: Final answer
    x = 148,597.19

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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.