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Finding the Fourth Proportional to 253,202.64, 349,410.48 and 138,477.36

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Solution

The fourth proportional to 253,202.64, 349,410.48 and 138,477.36 is: 191,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,202.64 : 349,410.48 = 138,477.36 : x
  2. Step 2: Convert to fraction form
    253,202.64/349,410.48 = 138,477.36/x
  3. Step 3: Cross multiply
    253,202.64x = 349,410.48 × 138,477.36
  4. Step 4: Simplify right side
    253,202.64x = 48,385,440,826.73
  5. Step 5: Solve for x
    x = 48,385,440,826.73/253,202.64
  6. Step 6: Final answer
    x = 191,093.75

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