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Finding the Fourth Proportional to 165,782.60, 248,613.15 and 53,492.30

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Solution

The fourth proportional to 165,782.60, 248,613.15 and 53,492.30 is: 80,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,782.60 : 248,613.15 = 53,492.30 : x
  2. Step 2: Convert to fraction form
    165,782.60/248,613.15 = 53,492.30/x
  3. Step 3: Cross multiply
    165,782.60x = 248,613.15 × 53,492.30
  4. Step 4: Simplify right side
    165,782.60x = 13,298,889,203.75
  5. Step 5: Solve for x
    x = 13,298,889,203.75/165,782.60
  6. Step 6: Final answer
    x = 80,218.85

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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.