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Finding the Fourth Proportional to 170,200.86, 255,301.29 and 76,733.34

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Solution

The fourth proportional to 170,200.86, 255,301.29 and 76,733.34 is: 115,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,200.86 : 255,301.29 = 76,733.34 : x
  2. Step 2: Convert to fraction form
    170,200.86/255,301.29 = 76,733.34/x
  3. Step 3: Cross multiply
    170,200.86x = 255,301.29 × 76,733.34
  4. Step 4: Simplify right side
    170,200.86x = 19,590,120,688.01
  5. Step 5: Solve for x
    x = 19,590,120,688.01/170,200.86
  6. Step 6: Final answer
    x = 115,100.01

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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.