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Finding the Fourth Proportional to 162,971.80, 244,601.70 and 96,328.60

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Solution

The fourth proportional to 162,971.80, 244,601.70 and 96,328.60 is: 144,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,971.80 : 244,601.70 = 96,328.60 : x
  2. Step 2: Convert to fraction form
    162,971.80/244,601.70 = 96,328.60/x
  3. Step 3: Cross multiply
    162,971.80x = 244,601.70 × 96,328.60
  4. Step 4: Simplify right side
    162,971.80x = 23,562,139,318.62
  5. Step 5: Solve for x
    x = 23,562,139,318.62/162,971.80
  6. Step 6: Final answer
    x = 144,578.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.