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Finding the Fourth Proportional to 170,212.63, 234,893.78 and 94,763.83

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Solution

The fourth proportional to 170,212.63, 234,893.78 and 94,763.83 is: 130,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,212.63 : 234,893.78 = 94,763.83 : x
  2. Step 2: Convert to fraction form
    170,212.63/234,893.78 = 94,763.83/x
  3. Step 3: Cross multiply
    170,212.63x = 234,893.78 × 94,763.83
  4. Step 4: Simplify right side
    170,212.63x = 22,259,434,235.98
  5. Step 5: Solve for x
    x = 22,259,434,235.98/170,212.63
  6. Step 6: Final answer
    x = 130,774.28

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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.