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Finding the Fourth Proportional to 93,296.36, 139,904.56 and 43,371.25

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Solution

The fourth proportional to 93,296.36, 139,904.56 and 43,371.25 is: 65,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,296.36 : 139,904.56 = 43,371.25 : x
  2. Step 2: Convert to fraction form
    93,296.36/139,904.56 = 43,371.25/x
  3. Step 3: Cross multiply
    93,296.36x = 139,904.56 × 43,371.25
  4. Step 4: Simplify right side
    93,296.36x = 6,067,835,647.90
  5. Step 5: Solve for x
    x = 6,067,835,647.90/93,296.36
  6. Step 6: Final answer
    x = 65,038.29

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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.