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Finding the Fourth Proportional to 157,657.63, 236,289.62 and 78,794.41

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Solution

The fourth proportional to 157,657.63, 236,289.62 and 78,794.41 is: 118,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,657.63 : 236,289.62 = 78,794.41 : x
  2. Step 2: Convert to fraction form
    157,657.63/236,289.62 = 78,794.41/x
  3. Step 3: Cross multiply
    157,657.63x = 236,289.62 × 78,794.41
  4. Step 4: Simplify right side
    157,657.63x = 18,618,299,621.60
  5. Step 5: Solve for x
    x = 18,618,299,621.60/157,657.63
  6. Step 6: Final answer
    x = 118,093.24

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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.