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Finding the Fourth Proportional to 248,561.04, 342,905.10 and 167,959.20

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Solution

The fourth proportional to 248,561.04, 342,905.10 and 167,959.20 is: 231,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,561.04 : 342,905.10 = 167,959.20 : x
  2. Step 2: Convert to fraction form
    248,561.04/342,905.10 = 167,959.20/x
  3. Step 3: Cross multiply
    248,561.04x = 342,905.10 × 167,959.20
  4. Step 4: Simplify right side
    248,561.04x = 57,594,066,271.92
  5. Step 5: Solve for x
    x = 57,594,066,271.92/248,561.04
  6. Step 6: Final answer
    x = 231,709.95

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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.