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Finding the Fourth Proportional to 127,369.88, 190,873.77 and 93,826.16

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Solution

The fourth proportional to 127,369.88, 190,873.77 and 93,826.16 is: 140,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,369.88 : 190,873.77 = 93,826.16 : x
  2. Step 2: Convert to fraction form
    127,369.88/190,873.77 = 93,826.16/x
  3. Step 3: Cross multiply
    127,369.88x = 190,873.77 × 93,826.16
  4. Step 4: Simplify right side
    127,369.88x = 17,908,952,883.82
  5. Step 5: Solve for x
    x = 17,908,952,883.82/127,369.88
  6. Step 6: Final answer
    x = 140,605.87

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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.