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Finding the Fourth Proportional to 170,354.54, 255,556.42 and 52,010.51

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Solution

The fourth proportional to 170,354.54, 255,556.42 and 52,010.51 is: 78,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,354.54 : 255,556.42 = 52,010.51 : x
  2. Step 2: Convert to fraction form
    170,354.54/255,556.42 = 52,010.51/x
  3. Step 3: Cross multiply
    170,354.54x = 255,556.42 × 52,010.51
  4. Step 4: Simplify right side
    170,354.54x = 13,291,618,330.17
  5. Step 5: Solve for x
    x = 13,291,618,330.17/170,354.54
  6. Step 6: Final answer
    x = 78,023.27

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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.