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Finding the Fourth Proportional to 250,828.99, 346,431.47 and 165,170.90

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Solution

The fourth proportional to 250,828.99, 346,431.47 and 165,170.90 is: 228,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,828.99 : 346,431.47 = 165,170.90 : x
  2. Step 2: Convert to fraction form
    250,828.99/346,431.47 = 165,170.90/x
  3. Step 3: Cross multiply
    250,828.99x = 346,431.47 × 165,170.90
  4. Step 4: Simplify right side
    250,828.99x = 57,220,397,728.45
  5. Step 5: Solve for x
    x = 57,220,397,728.45/250,828.99
  6. Step 6: Final answer
    x = 228,125.14

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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.