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Finding the Fourth Proportional to 127,156.50, 190,768.77 and 44,050.50

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Solution

The fourth proportional to 127,156.50, 190,768.77 and 44,050.50 is: 66,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,156.50 : 190,768.77 = 44,050.50 : x
  2. Step 2: Convert to fraction form
    127,156.50/190,768.77 = 44,050.50/x
  3. Step 3: Cross multiply
    127,156.50x = 190,768.77 × 44,050.50
  4. Step 4: Simplify right side
    127,156.50x = 8,403,459,702.89
  5. Step 5: Solve for x
    x = 8,403,459,702.89/127,156.50
  6. Step 6: Final answer
    x = 66,087.54

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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.