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Finding the Fourth Proportional to 77,495.95, 106,944.36 and 43,504.51

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Solution

The fourth proportional to 77,495.95, 106,944.36 and 43,504.51 is: 60,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,495.95 : 106,944.36 = 43,504.51 : x
  2. Step 2: Convert to fraction form
    77,495.95/106,944.36 = 43,504.51/x
  3. Step 3: Cross multiply
    77,495.95x = 106,944.36 × 43,504.51
  4. Step 4: Simplify right side
    77,495.95x = 4,652,561,979.06
  5. Step 5: Solve for x
    x = 4,652,561,979.06/77,495.95
  6. Step 6: Final answer
    x = 60,036.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.