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Finding the Fourth Proportional to 122,624.40, 183,936.60 and 48,752.40

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Solution

The fourth proportional to 122,624.40, 183,936.60 and 48,752.40 is: 73,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,624.40 : 183,936.60 = 48,752.40 : x
  2. Step 2: Convert to fraction form
    122,624.40/183,936.60 = 48,752.40/x
  3. Step 3: Cross multiply
    122,624.40x = 183,936.60 × 48,752.40
  4. Step 4: Simplify right side
    122,624.40x = 8,967,350,697.84
  5. Step 5: Solve for x
    x = 8,967,350,697.84/122,624.40
  6. Step 6: Final answer
    x = 73,128.60

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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.