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Finding the Fourth Proportional to 121,114.76, 181,673.01 and 46,214.73

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Solution

The fourth proportional to 121,114.76, 181,673.01 and 46,214.73 is: 69,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,114.76 : 181,673.01 = 46,214.73 : x
  2. Step 2: Convert to fraction form
    121,114.76/181,673.01 = 46,214.73/x
  3. Step 3: Cross multiply
    121,114.76x = 181,673.01 × 46,214.73
  4. Step 4: Simplify right side
    121,114.76x = 8,395,969,105.44
  5. Step 5: Solve for x
    x = 8,395,969,105.44/121,114.76
  6. Step 6: Final answer
    x = 69,322.43

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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.