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Finding the Fourth Proportional to 171,804.30, 257,900.85 and 101,723.10

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Solution

The fourth proportional to 171,804.30, 257,900.85 and 101,723.10 is: 152,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,804.30 : 257,900.85 = 101,723.10 : x
  2. Step 2: Convert to fraction form
    171,804.30/257,900.85 = 101,723.10/x
  3. Step 3: Cross multiply
    171,804.30x = 257,900.85 × 101,723.10
  4. Step 4: Simplify right side
    171,804.30x = 26,234,473,954.64
  5. Step 5: Solve for x
    x = 26,234,473,954.64/171,804.30
  6. Step 6: Final answer
    x = 152,699.75

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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.