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Finding the Fourth Proportional to 93,246.69, 139,599.09 and 83,629.35

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Solution

The fourth proportional to 93,246.69, 139,599.09 and 83,629.35 is: 125,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246.69 : 139,599.09 = 83,629.35 : x
  2. Step 2: Convert to fraction form
    93,246.69/139,599.09 = 83,629.35/x
  3. Step 3: Cross multiply
    93,246.69x = 139,599.09 × 83,629.35
  4. Step 4: Simplify right side
    93,246.69x = 11,674,581,157.29
  5. Step 5: Solve for x
    x = 11,674,581,157.29/93,246.69
  6. Step 6: Final answer
    x = 125,201.02

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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.