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Finding the Fourth Proportional to 131,259.60, 196,662.60 and 60,994.80

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Solution

The fourth proportional to 131,259.60, 196,662.60 and 60,994.80 is: 91,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259.60 : 196,662.60 = 60,994.80 : x
  2. Step 2: Convert to fraction form
    131,259.60/196,662.60 = 60,994.80/x
  3. Step 3: Cross multiply
    131,259.60x = 196,662.60 × 60,994.80
  4. Step 4: Simplify right side
    131,259.60x = 11,995,395,954.48
  5. Step 5: Solve for x
    x = 11,995,395,954.48/131,259.60
  6. Step 6: Final answer
    x = 91,386.81

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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.