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Finding the Fourth Proportional to 163,503.94, 245,027.55 and 79,241.73

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Solution

The fourth proportional to 163,503.94, 245,027.55 and 79,241.73 is: 118,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,503.94 : 245,027.55 = 79,241.73 : x
  2. Step 2: Convert to fraction form
    163,503.94/245,027.55 = 79,241.73/x
  3. Step 3: Cross multiply
    163,503.94x = 245,027.55 × 79,241.73
  4. Step 4: Simplify right side
    163,503.94x = 19,416,407,093.09
  5. Step 5: Solve for x
    x = 19,416,407,093.09/163,503.94
  6. Step 6: Final answer
    x = 118,751.92

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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.