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Finding the Fourth Proportional to 164,487.81, 246,740.52 and 52,176.54

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Solution

The fourth proportional to 164,487.81, 246,740.52 and 52,176.54 is: 78,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,487.81 : 246,740.52 = 52,176.54 : x
  2. Step 2: Convert to fraction form
    164,487.81/246,740.52 = 52,176.54/x
  3. Step 3: Cross multiply
    164,487.81x = 246,740.52 × 52,176.54
  4. Step 4: Simplify right side
    164,487.81x = 12,874,066,611.40
  5. Step 5: Solve for x
    x = 12,874,066,611.40/164,487.81
  6. Step 6: Final answer
    x = 78,267.60

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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.