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Finding the Fourth Proportional to 72,959.94, 100,617.57 and 46,055.94

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Solution

The fourth proportional to 72,959.94, 100,617.57 and 46,055.94 is: 63,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,959.94 : 100,617.57 = 46,055.94 : x
  2. Step 2: Convert to fraction form
    72,959.94/100,617.57 = 46,055.94/x
  3. Step 3: Cross multiply
    72,959.94x = 100,617.57 × 46,055.94
  4. Step 4: Simplify right side
    72,959.94x = 4,634,036,766.87
  5. Step 5: Solve for x
    x = 4,634,036,766.87/72,959.94
  6. Step 6: Final answer
    x = 63,514.81

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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.