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Finding the Fourth Proportional to 176,323.54, 243,492.55 and 122,755.03

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Solution

The fourth proportional to 176,323.54, 243,492.55 and 122,755.03 is: 169,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,323.54 : 243,492.55 = 122,755.03 : x
  2. Step 2: Convert to fraction form
    176,323.54/243,492.55 = 122,755.03/x
  3. Step 3: Cross multiply
    176,323.54x = 243,492.55 × 122,755.03
  4. Step 4: Simplify right side
    176,323.54x = 29,889,933,448.79
  5. Step 5: Solve for x
    x = 29,889,933,448.79/176,323.54
  6. Step 6: Final answer
    x = 169,517.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.