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Finding the Fourth Proportional to 248,964.95, 343,570.01 and 141,535.01

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Solution

The fourth proportional to 248,964.95, 343,570.01 and 141,535.01 is: 195,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,964.95 : 343,570.01 = 141,535.01 : x
  2. Step 2: Convert to fraction form
    248,964.95/343,570.01 = 141,535.01/x
  3. Step 3: Cross multiply
    248,964.95x = 343,570.01 × 141,535.01
  4. Step 4: Simplify right side
    248,964.95x = 48,627,182,375.53
  5. Step 5: Solve for x
    x = 48,627,182,375.53/248,964.95
  6. Step 6: Final answer
    x = 195,317.39

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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.