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Finding the Fourth Proportional to 184,958.76, 255,242.70 and 100,075.80

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Solution

The fourth proportional to 184,958.76, 255,242.70 and 100,075.80 is: 138,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,958.76 : 255,242.70 = 100,075.80 : x
  2. Step 2: Convert to fraction form
    184,958.76/255,242.70 = 100,075.80/x
  3. Step 3: Cross multiply
    184,958.76x = 255,242.70 × 100,075.80
  4. Step 4: Simplify right side
    184,958.76x = 25,543,617,396.66
  5. Step 5: Solve for x
    x = 25,543,617,396.66/184,958.76
  6. Step 6: Final answer
    x = 138,104.39

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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.