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Finding the Fourth Proportional to 239,477.68, 359,217.94 and 70,999.48

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Solution

The fourth proportional to 239,477.68, 359,217.94 and 70,999.48 is: 106,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,477.68 : 359,217.94 = 70,999.48 : x
  2. Step 2: Convert to fraction form
    239,477.68/359,217.94 = 70,999.48/x
  3. Step 3: Cross multiply
    239,477.68x = 359,217.94 × 70,999.48
  4. Step 4: Simplify right side
    239,477.68x = 25,504,284,973.08
  5. Step 5: Solve for x
    x = 25,504,284,973.08/239,477.68
  6. Step 6: Final answer
    x = 106,499.63

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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.