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Finding the Fourth Proportional to 179,505.63, 247,706.60 and 98,928.63

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Solution

The fourth proportional to 179,505.63, 247,706.60 and 98,928.63 is: 136,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,505.63 : 247,706.60 = 98,928.63 : x
  2. Step 2: Convert to fraction form
    179,505.63/247,706.60 = 98,928.63/x
  3. Step 3: Cross multiply
    179,505.63x = 247,706.60 × 98,928.63
  4. Step 4: Simplify right side
    179,505.63x = 24,505,274,085.31
  5. Step 5: Solve for x
    x = 24,505,274,085.31/179,505.63
  6. Step 6: Final answer
    x = 136,515.35

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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.