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Finding the Fourth Proportional to 93,345.37, 139,974.31 and 34,139.64

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Solution

The fourth proportional to 93,345.37, 139,974.31 and 34,139.64 is: 51,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,345.37 : 139,974.31 = 34,139.64 : x
  2. Step 2: Convert to fraction form
    93,345.37/139,974.31 = 34,139.64/x
  3. Step 3: Cross multiply
    93,345.37x = 139,974.31 × 34,139.64
  4. Step 4: Simplify right side
    93,345.37x = 4,778,672,552.65
  5. Step 5: Solve for x
    x = 4,778,672,552.65/93,345.37
  6. Step 6: Final answer
    x = 51,193.46

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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.