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Finding the Fourth Proportional to 170,607.59, 255,703.85 and 120,702.08

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Solution

The fourth proportional to 170,607.59, 255,703.85 and 120,702.08 is: 180,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,607.59 : 255,703.85 = 120,702.08 : x
  2. Step 2: Convert to fraction form
    170,607.59/255,703.85 = 120,702.08/x
  3. Step 3: Cross multiply
    170,607.59x = 255,703.85 × 120,702.08
  4. Step 4: Simplify right side
    170,607.59x = 30,863,984,676.98
  5. Step 5: Solve for x
    x = 30,863,984,676.98/170,607.59
  6. Step 6: Final answer
    x = 180,906.29

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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.