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Finding the Fourth Proportional to 79,762.44, 119,670.86 and 50,145.60

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Solution

The fourth proportional to 79,762.44, 119,670.86 and 50,145.60 is: 75,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.44 : 119,670.86 = 50,145.60 : x
  2. Step 2: Convert to fraction form
    79,762.44/119,670.86 = 50,145.60/x
  3. Step 3: Cross multiply
    79,762.44x = 119,670.86 × 50,145.60
  4. Step 4: Simplify right side
    79,762.44x = 6,000,967,077.22
  5. Step 5: Solve for x
    x = 6,000,967,077.22/79,762.44
  6. Step 6: Final answer
    x = 75,235.50

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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.