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Finding the Fourth Proportional to 367,083.43, 550,406.44 and 127,118.50

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Solution

The fourth proportional to 367,083.43, 550,406.44 and 127,118.50 is: 190,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,083.43 : 550,406.44 = 127,118.50 : x
  2. Step 2: Convert to fraction form
    367,083.43/550,406.44 = 127,118.50/x
  3. Step 3: Cross multiply
    367,083.43x = 550,406.44 × 127,118.50
  4. Step 4: Simplify right side
    367,083.43x = 69,966,841,043.14
  5. Step 5: Solve for x
    x = 69,966,841,043.14/367,083.43
  6. Step 6: Final answer
    x = 190,602.01

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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.