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Finding the Fourth Proportional to 127,262.88, 190,810.06 and 60,713.28

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Solution

The fourth proportional to 127,262.88, 190,810.06 and 60,713.28 is: 91,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,262.88 : 190,810.06 = 60,713.28 : x
  2. Step 2: Convert to fraction form
    127,262.88/190,810.06 = 60,713.28/x
  3. Step 3: Cross multiply
    127,262.88x = 190,810.06 × 60,713.28
  4. Step 4: Simplify right side
    127,262.88x = 11,584,704,599.60
  5. Step 5: Solve for x
    x = 11,584,704,599.60/127,262.88
  6. Step 6: Final answer
    x = 91,029.72

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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.