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Finding the Fourth Proportional to 248,424.40, 342,797.10 and 140,973.04

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Solution

The fourth proportional to 248,424.40, 342,797.10 and 140,973.04 is: 194,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,424.40 : 342,797.10 = 140,973.04 : x
  2. Step 2: Convert to fraction form
    248,424.40/342,797.10 = 140,973.04/x
  3. Step 3: Cross multiply
    248,424.40x = 342,797.10 × 140,973.04
  4. Step 4: Simplify right side
    248,424.40x = 48,325,149,290.18
  5. Step 5: Solve for x
    x = 48,325,149,290.18/248,424.40
  6. Step 6: Final answer
    x = 194,526.58

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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.