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Finding the Fourth Proportional to 235,415.04, 324,879.17 and 127,992.48

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Solution

The fourth proportional to 235,415.04, 324,879.17 and 127,992.48 is: 176,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,415.04 : 324,879.17 = 127,992.48 : x
  2. Step 2: Convert to fraction form
    235,415.04/324,879.17 = 127,992.48/x
  3. Step 3: Cross multiply
    235,415.04x = 324,879.17 × 127,992.48
  4. Step 4: Simplify right side
    235,415.04x = 41,582,090,028.68
  5. Step 5: Solve for x
    x = 41,582,090,028.68/235,415.04
  6. Step 6: Final answer
    x = 176,633.11

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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.