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Finding the Fourth Proportional to 127,059.84, 190,550.88 and 48,185.28

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Solution

The fourth proportional to 127,059.84, 190,550.88 and 48,185.28 is: 72,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,059.84 : 190,550.88 = 48,185.28 : x
  2. Step 2: Convert to fraction form
    127,059.84/190,550.88 = 48,185.28/x
  3. Step 3: Cross multiply
    127,059.84x = 190,550.88 × 48,185.28
  4. Step 4: Simplify right side
    127,059.84x = 9,181,747,507.05
  5. Step 5: Solve for x
    x = 9,181,747,507.05/127,059.84
  6. Step 6: Final answer
    x = 72,263.18

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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.