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Finding the Fourth Proportional to 157,420.40, 236,119.80 and 50,802.80

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Solution

The fourth proportional to 157,420.40, 236,119.80 and 50,802.80 is: 76,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,420.40 : 236,119.80 = 50,802.80 : x
  2. Step 2: Convert to fraction form
    157,420.40/236,119.80 = 50,802.80/x
  3. Step 3: Cross multiply
    157,420.40x = 236,119.80 × 50,802.80
  4. Step 4: Simplify right side
    157,420.40x = 11,995,546,975.44
  5. Step 5: Solve for x
    x = 11,995,546,975.44/157,420.40
  6. Step 6: Final answer
    x = 76,200.71

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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.