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Finding the Fourth Proportional to 179,554.92, 247,782.72 and 98,989.92

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Solution

The fourth proportional to 179,554.92, 247,782.72 and 98,989.92 is: 136,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,554.92 : 247,782.72 = 98,989.92 : x
  2. Step 2: Convert to fraction form
    179,554.92/247,782.72 = 98,989.92/x
  3. Step 3: Cross multiply
    179,554.92x = 247,782.72 × 98,989.92
  4. Step 4: Simplify right side
    179,554.92x = 24,527,991,630.18
  5. Step 5: Solve for x
    x = 24,527,991,630.18/179,554.92
  6. Step 6: Final answer
    x = 136,604.40

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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.