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Finding the Fourth Proportional to 412,250.51, 618,464.16 and 127,935.05

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Solution

The fourth proportional to 412,250.51, 618,464.16 and 127,935.05 is: 191,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,250.51 : 618,464.16 = 127,935.05 : x
  2. Step 2: Convert to fraction form
    412,250.51/618,464.16 = 127,935.05/x
  3. Step 3: Cross multiply
    412,250.51x = 618,464.16 × 127,935.05
  4. Step 4: Simplify right side
    412,250.51x = 79,123,240,140.49
  5. Step 5: Solve for x
    x = 79,123,240,140.49/412,250.51
  6. Step 6: Final answer
    x = 191,930.00

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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.