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Finding the Fourth Proportional to 127,006.57, 190,597.34 and 43,900.57

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Solution

The fourth proportional to 127,006.57, 190,597.34 and 43,900.57 is: 65,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,006.57 : 190,597.34 = 43,900.57 : x
  2. Step 2: Convert to fraction form
    127,006.57/190,597.34 = 43,900.57/x
  3. Step 3: Cross multiply
    127,006.57x = 190,597.34 × 43,900.57
  4. Step 4: Simplify right side
    127,006.57x = 8,367,331,866.48
  5. Step 5: Solve for x
    x = 8,367,331,866.48/127,006.57
  6. Step 6: Final answer
    x = 65,881.09

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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.