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Finding the Fourth Proportional to 121,999.58, 182,993.97 and 33,253.07

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Solution

The fourth proportional to 121,999.58, 182,993.97 and 33,253.07 is: 49,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,999.58 : 182,993.97 = 33,253.07 : x
  2. Step 2: Convert to fraction form
    121,999.58/182,993.97 = 33,253.07/x
  3. Step 3: Cross multiply
    121,999.58x = 182,993.97 × 33,253.07
  4. Step 4: Simplify right side
    121,999.58x = 6,085,111,751.47
  5. Step 5: Solve for x
    x = 6,085,111,751.47/121,999.58
  6. Step 6: Final answer
    x = 49,878.14

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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.