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Finding the Fourth Proportional to 174,321.60, 261,451 and 46,238.80

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Solution

The fourth proportional to 174,321.60, 261,451 and 46,238.80 is: 69,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,321.60 : 261,451 = 46,238.80 : x
  2. Step 2: Convert to fraction form
    174,321.60/261,451 = 46,238.80/x
  3. Step 3: Cross multiply
    174,321.60x = 261,451 × 46,238.80
  4. Step 4: Simplify right side
    174,321.60x = 12,089,180,498.80
  5. Step 5: Solve for x
    x = 12,089,180,498.80/174,321.60
  6. Step 6: Final answer
    x = 69,349.87

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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.