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Finding the Fourth Proportional to 356,846.14, 535,055.44 and 113,582.13

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Solution

The fourth proportional to 356,846.14, 535,055.44 and 113,582.13 is: 170,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,846.14 : 535,055.44 = 113,582.13 : x
  2. Step 2: Convert to fraction form
    356,846.14/535,055.44 = 113,582.13/x
  3. Step 3: Cross multiply
    356,846.14x = 535,055.44 × 113,582.13
  4. Step 4: Simplify right side
    356,846.14x = 60,772,734,739.09
  5. Step 5: Solve for x
    x = 60,772,734,739.09/356,846.14
  6. Step 6: Final answer
    x = 170,305.15

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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.