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Finding the Fourth Proportional to 295,968.94, 444,019.15 and 138,111.28

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Solution

The fourth proportional to 295,968.94, 444,019.15 and 138,111.28 is: 207,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,968.94 : 444,019.15 = 138,111.28 : x
  2. Step 2: Convert to fraction form
    295,968.94/444,019.15 = 138,111.28/x
  3. Step 3: Cross multiply
    295,968.94x = 444,019.15 × 138,111.28
  4. Step 4: Simplify right side
    295,968.94x = 61,324,053,151.01
  5. Step 5: Solve for x
    x = 61,324,053,151.01/295,968.94
  6. Step 6: Final answer
    x = 207,197.60

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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.