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Finding the Fourth Proportional to 247,804.64, 341,972.04 and 134,627.36

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Solution

The fourth proportional to 247,804.64, 341,972.04 and 134,627.36 is: 185,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,804.64 : 341,972.04 = 134,627.36 : x
  2. Step 2: Convert to fraction form
    247,804.64/341,972.04 = 134,627.36/x
  3. Step 3: Cross multiply
    247,804.64x = 341,972.04 × 134,627.36
  4. Step 4: Simplify right side
    247,804.64x = 46,038,792,939.01
  5. Step 5: Solve for x
    x = 46,038,792,939.01/247,804.64
  6. Step 6: Final answer
    x = 185,786.65

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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.