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Finding the Fourth Proportional to 171,707.10, 257,556.60 and 47,048.10

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Solution

The fourth proportional to 171,707.10, 257,556.60 and 47,048.10 is: 70,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,707.10 : 257,556.60 = 47,048.10 : x
  2. Step 2: Convert to fraction form
    171,707.10/257,556.60 = 47,048.10/x
  3. Step 3: Cross multiply
    171,707.10x = 257,556.60 × 47,048.10
  4. Step 4: Simplify right side
    171,707.10x = 12,117,548,672.46
  5. Step 5: Solve for x
    x = 12,117,548,672.46/171,707.10
  6. Step 6: Final answer
    x = 70,571.04

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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.