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Finding the Fourth Proportional to 97,369.20, 146,102.40 and 55,281.60

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Solution

The fourth proportional to 97,369.20, 146,102.40 and 55,281.60 is: 82,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,369.20 : 146,102.40 = 55,281.60 : x
  2. Step 2: Convert to fraction form
    97,369.20/146,102.40 = 55,281.60/x
  3. Step 3: Cross multiply
    97,369.20x = 146,102.40 × 55,281.60
  4. Step 4: Simplify right side
    97,369.20x = 8,076,774,435.84
  5. Step 5: Solve for x
    x = 8,076,774,435.84/97,369.20
  6. Step 6: Final answer
    x = 82,949.99

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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.