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Finding the Fourth Proportional to 165,803.85, 248,744.70 and 65,969.73

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Solution

The fourth proportional to 165,803.85, 248,744.70 and 65,969.73 is: 98,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,803.85 : 248,744.70 = 65,969.73 : x
  2. Step 2: Convert to fraction form
    165,803.85/248,744.70 = 65,969.73/x
  3. Step 3: Cross multiply
    165,803.85x = 248,744.70 × 65,969.73
  4. Step 4: Simplify right side
    165,803.85x = 16,409,620,697.93
  5. Step 5: Solve for x
    x = 16,409,620,697.93/165,803.85
  6. Step 6: Final answer
    x = 98,970.08

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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.