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Finding the Fourth Proportional to 175,573, 263,362.62 and 57,243.88

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Solution

The fourth proportional to 175,573, 263,362.62 and 57,243.88 is: 85,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,573 : 263,362.62 = 57,243.88 : x
  2. Step 2: Convert to fraction form
    175,573/263,362.62 = 57,243.88/x
  3. Step 3: Cross multiply
    175,573x = 263,362.62 × 57,243.88
  4. Step 4: Simplify right side
    175,573x = 15,075,898,215.77
  5. Step 5: Solve for x
    x = 15,075,898,215.77/175,573
  6. Step 6: Final answer
    x = 85,866.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.