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Finding the Fourth Proportional to 183,462.40, 253,230.60 and 108,054.64

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Solution

The fourth proportional to 183,462.40, 253,230.60 and 108,054.64 is: 149,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,462.40 : 253,230.60 = 108,054.64 : x
  2. Step 2: Convert to fraction form
    183,462.40/253,230.60 = 108,054.64/x
  3. Step 3: Cross multiply
    183,462.40x = 253,230.60 × 108,054.64
  4. Step 4: Simplify right side
    183,462.40x = 27,362,741,319.98
  5. Step 5: Solve for x
    x = 27,362,741,319.98/183,462.40
  6. Step 6: Final answer
    x = 149,146.32

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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.