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Finding the Fourth Proportional to 255,877.20, 383,185.04 and 160,871.69

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Solution

The fourth proportional to 255,877.20, 383,185.04 and 160,871.69 is: 240,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,877.20 : 383,185.04 = 160,871.69 : x
  2. Step 2: Convert to fraction form
    255,877.20/383,185.04 = 160,871.69/x
  3. Step 3: Cross multiply
    255,877.20x = 383,185.04 × 160,871.69
  4. Step 4: Simplify right side
    255,877.20x = 61,643,623,051.59
  5. Step 5: Solve for x
    x = 61,643,623,051.59/255,877.20
  6. Step 6: Final answer
    x = 240,910.97

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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.