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Finding the Fourth Proportional to 499,950.36, 749,930.40 and 125,973.36

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Solution

The fourth proportional to 499,950.36, 749,930.40 and 125,973.36 is: 188,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,950.36 : 749,930.40 = 125,973.36 : x
  2. Step 2: Convert to fraction form
    499,950.36/749,930.40 = 125,973.36/x
  3. Step 3: Cross multiply
    499,950.36x = 749,930.40 × 125,973.36
  4. Step 4: Simplify right side
    499,950.36x = 94,471,252,254.14
  5. Step 5: Solve for x
    x = 94,471,252,254.14/499,950.36
  6. Step 6: Final answer
    x = 188,961.26

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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.