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Finding the Fourth Proportional to 122,656.95, 184,056.81 and 51,574.44

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Solution

The fourth proportional to 122,656.95, 184,056.81 and 51,574.44 is: 77,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.95 : 184,056.81 = 51,574.44 : x
  2. Step 2: Convert to fraction form
    122,656.95/184,056.81 = 51,574.44/x
  3. Step 3: Cross multiply
    122,656.95x = 184,056.81 × 51,574.44
  4. Step 4: Simplify right side
    122,656.95x = 9,492,627,787.55
  5. Step 5: Solve for x
    x = 9,492,627,787.55/122,656.95
  6. Step 6: Final answer
    x = 77,391.68

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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.