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Finding the Fourth Proportional to 165,477.36, 248,069.64 and 65,707.44

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Solution

The fourth proportional to 165,477.36, 248,069.64 and 65,707.44 is: 98,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477.36 : 248,069.64 = 65,707.44 : x
  2. Step 2: Convert to fraction form
    165,477.36/248,069.64 = 65,707.44/x
  3. Step 3: Cross multiply
    165,477.36x = 248,069.64 × 65,707.44
  4. Step 4: Simplify right side
    165,477.36x = 16,300,020,986.12
  5. Step 5: Solve for x
    x = 16,300,020,986.12/165,477.36
  6. Step 6: Final answer
    x = 98,503.03

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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.