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Finding the Fourth Proportional to 122,964.20, 184,478.70 and 44,070.20

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Solution

The fourth proportional to 122,964.20, 184,478.70 and 44,070.20 is: 66,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,964.20 : 184,478.70 = 44,070.20 : x
  2. Step 2: Convert to fraction form
    122,964.20/184,478.70 = 44,070.20/x
  3. Step 3: Cross multiply
    122,964.20x = 184,478.70 × 44,070.20
  4. Step 4: Simplify right side
    122,964.20x = 8,130,013,204.74
  5. Step 5: Solve for x
    x = 8,130,013,204.74/122,964.20
  6. Step 6: Final answer
    x = 66,116.91

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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.