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Finding the Fourth Proportional to 122,798.53, 184,098.02 and 55,280.98

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Solution

The fourth proportional to 122,798.53, 184,098.02 and 55,280.98 is: 82,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,798.53 : 184,098.02 = 55,280.98 : x
  2. Step 2: Convert to fraction form
    122,798.53/184,098.02 = 55,280.98/x
  3. Step 3: Cross multiply
    122,798.53x = 184,098.02 × 55,280.98
  4. Step 4: Simplify right side
    122,798.53x = 10,177,118,915.38
  5. Step 5: Solve for x
    x = 10,177,118,915.38/122,798.53
  6. Step 6: Final answer
    x = 82,876.55

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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.