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Finding the Fourth Proportional to 165,400.48, 248,182.80 and 65,558.48

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Solution

The fourth proportional to 165,400.48, 248,182.80 and 65,558.48 is: 98,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,400.48 : 248,182.80 = 65,558.48 : x
  2. Step 2: Convert to fraction form
    165,400.48/248,182.80 = 65,558.48/x
  3. Step 3: Cross multiply
    165,400.48x = 248,182.80 × 65,558.48
  4. Step 4: Simplify right side
    165,400.48x = 16,270,487,130.14
  5. Step 5: Solve for x
    x = 16,270,487,130.14/165,400.48
  6. Step 6: Final answer
    x = 98,370.25

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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.