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Finding the Fourth Proportional to 252,192.88, 348,050.72 and 188,419.96

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Solution

The fourth proportional to 252,192.88, 348,050.72 and 188,419.96 is: 260,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,192.88 : 348,050.72 = 188,419.96 : x
  2. Step 2: Convert to fraction form
    252,192.88/348,050.72 = 188,419.96/x
  3. Step 3: Cross multiply
    252,192.88x = 348,050.72 × 188,419.96
  4. Step 4: Simplify right side
    252,192.88x = 65,579,702,740.37
  5. Step 5: Solve for x
    x = 65,579,702,740.37/252,192.88
  6. Step 6: Final answer
    x = 260,037.88

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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.