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Finding the Fourth Proportional to 248,324.83, 342,699.50 and 146,354.58

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Solution

The fourth proportional to 248,324.83, 342,699.50 and 146,354.58 is: 201,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,324.83 : 342,699.50 = 146,354.58 : x
  2. Step 2: Convert to fraction form
    248,324.83/342,699.50 = 146,354.58/x
  3. Step 3: Cross multiply
    248,324.83x = 342,699.50 × 146,354.58
  4. Step 4: Simplify right side
    248,324.83x = 50,155,641,754.60
  5. Step 5: Solve for x
    x = 50,155,641,754.60/248,324.83
  6. Step 6: Final answer
    x = 201,975.95

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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.