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Finding the Fourth Proportional to 171,957.56, 257,848.53 and 101,018.75

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Solution

The fourth proportional to 171,957.56, 257,848.53 and 101,018.75 is: 151,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,957.56 : 257,848.53 = 101,018.75 : x
  2. Step 2: Convert to fraction form
    171,957.56/257,848.53 = 101,018.75/x
  3. Step 3: Cross multiply
    171,957.56x = 257,848.53 × 101,018.75
  4. Step 4: Simplify right side
    171,957.56x = 26,047,536,189.94
  5. Step 5: Solve for x
    x = 26,047,536,189.94/171,957.56
  6. Step 6: Final answer
    x = 151,476.54

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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.