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Finding the Fourth Proportional to 127,080.63, 190,497.01 and 60,502.88

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Solution

The fourth proportional to 127,080.63, 190,497.01 and 60,502.88 is: 90,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.63 : 190,497.01 = 60,502.88 : x
  2. Step 2: Convert to fraction form
    127,080.63/190,497.01 = 60,502.88/x
  3. Step 3: Cross multiply
    127,080.63x = 190,497.01 × 60,502.88
  4. Step 4: Simplify right side
    127,080.63x = 11,525,617,736.39
  5. Step 5: Solve for x
    x = 11,525,617,736.39/127,080.63
  6. Step 6: Final answer
    x = 90,695.31

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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.