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Finding the Fourth Proportional to 261,847.96, 361,383.90 and 159,852.04

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Solution

The fourth proportional to 261,847.96, 361,383.90 and 159,852.04 is: 220,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,847.96 : 361,383.90 = 159,852.04 : x
  2. Step 2: Convert to fraction form
    261,847.96/361,383.90 = 159,852.04/x
  3. Step 3: Cross multiply
    261,847.96x = 361,383.90 × 159,852.04
  4. Step 4: Simplify right side
    261,847.96x = 57,767,953,638.16
  5. Step 5: Solve for x
    x = 57,767,953,638.16/261,847.96
  6. Step 6: Final answer
    x = 220,616.40

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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.