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Finding the Fourth Proportional to 122,058, 183,088.08 and 43,185.60

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Solution

The fourth proportional to 122,058, 183,088.08 and 43,185.60 is: 64,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,058 : 183,088.08 = 43,185.60 : x
  2. Step 2: Convert to fraction form
    122,058/183,088.08 = 43,185.60/x
  3. Step 3: Cross multiply
    122,058x = 183,088.08 × 43,185.60
  4. Step 4: Simplify right side
    122,058x = 7,906,768,587.65
  5. Step 5: Solve for x
    x = 7,906,768,587.65/122,058
  6. Step 6: Final answer
    x = 64,778.78

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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.