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Finding the Fourth Proportional to 247,975.75, 342,206.67 and 134,798.50

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Solution

The fourth proportional to 247,975.75, 342,206.67 and 134,798.50 is: 186,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,975.75 : 342,206.67 = 134,798.50 : x
  2. Step 2: Convert to fraction form
    247,975.75/342,206.67 = 134,798.50/x
  3. Step 3: Cross multiply
    247,975.75x = 342,206.67 × 134,798.50
  4. Step 4: Simplify right side
    247,975.75x = 46,128,945,806.00
  5. Step 5: Solve for x
    x = 46,128,945,806.00/247,975.75
  6. Step 6: Final answer
    x = 186,022.00

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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.