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Finding the Fourth Proportional to 170,471.89, 235,352.10 and 151,556.77

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Solution

The fourth proportional to 170,471.89, 235,352.10 and 151,556.77 is: 209,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,471.89 : 235,352.10 = 151,556.77 : x
  2. Step 2: Convert to fraction form
    170,471.89/235,352.10 = 151,556.77/x
  3. Step 3: Cross multiply
    170,471.89x = 235,352.10 × 151,556.77
  4. Step 4: Simplify right side
    170,471.89x = 35,669,204,088.72
  5. Step 5: Solve for x
    x = 35,669,204,088.72/170,471.89
  6. Step 6: Final answer
    x = 209,238.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.