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Finding the Fourth Proportional to 127,798.58, 191,783.19 and 44,692.58

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Solution

The fourth proportional to 127,798.58, 191,783.19 and 44,692.58 is: 67,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,798.58 : 191,783.19 = 44,692.58 : x
  2. Step 2: Convert to fraction form
    127,798.58/191,783.19 = 44,692.58/x
  3. Step 3: Cross multiply
    127,798.58x = 191,783.19 × 44,692.58
  4. Step 4: Simplify right side
    127,798.58x = 8,571,285,561.73
  5. Step 5: Solve for x
    x = 8,571,285,561.73/127,798.58
  6. Step 6: Final answer
    x = 67,068.71

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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.