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Finding the Fourth Proportional to 80,270.85, 110,775.57 and 45,814.89

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Solution

The fourth proportional to 80,270.85, 110,775.57 and 45,814.89 is: 63,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.85 : 110,775.57 = 45,814.89 : x
  2. Step 2: Convert to fraction form
    80,270.85/110,775.57 = 45,814.89/x
  3. Step 3: Cross multiply
    80,270.85x = 110,775.57 × 45,814.89
  4. Step 4: Simplify right side
    80,270.85x = 5,075,170,987.59
  5. Step 5: Solve for x
    x = 5,075,170,987.59/80,270.85
  6. Step 6: Final answer
    x = 63,225.58

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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.