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Finding the Fourth Proportional to 247,804.56, 341,969.40 and 134,626.32

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Solution

The fourth proportional to 247,804.56, 341,969.40 and 134,626.32 is: 185,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,804.56 : 341,969.40 = 134,626.32 : x
  2. Step 2: Convert to fraction form
    247,804.56/341,969.40 = 134,626.32/x
  3. Step 3: Cross multiply
    247,804.56x = 341,969.40 × 134,626.32
  4. Step 4: Simplify right side
    247,804.56x = 46,038,081,874.61
  5. Step 5: Solve for x
    x = 46,038,081,874.61/247,804.56
  6. Step 6: Final answer
    x = 185,783.84

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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.