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Finding the Fourth Proportional to 248,295.11, 342,684.14 and 146,287.96

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Solution

The fourth proportional to 248,295.11, 342,684.14 and 146,287.96 is: 201,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,295.11 : 342,684.14 = 146,287.96 : x
  2. Step 2: Convert to fraction form
    248,295.11/342,684.14 = 146,287.96/x
  3. Step 3: Cross multiply
    248,295.11x = 342,684.14 × 146,287.96
  4. Step 4: Simplify right side
    248,295.11x = 50,130,562,176.80
  5. Step 5: Solve for x
    x = 50,130,562,176.80/248,295.11
  6. Step 6: Final answer
    x = 201,899.12

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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.