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Finding the Fourth Proportional to 183,261.50, 252,750.92 and 128,993.32

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Solution

The fourth proportional to 183,261.50, 252,750.92 and 128,993.32 is: 177,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,261.50 : 252,750.92 = 128,993.32 : x
  2. Step 2: Convert to fraction form
    183,261.50/252,750.92 = 128,993.32/x
  3. Step 3: Cross multiply
    183,261.50x = 252,750.92 × 128,993.32
  4. Step 4: Simplify right side
    183,261.50x = 32,603,179,994.46
  5. Step 5: Solve for x
    x = 32,603,179,994.46/183,261.50
  6. Step 6: Final answer
    x = 177,905.23

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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.