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Finding the Fourth Proportional to 93,107.06, 139,660.88 and 22,986.38

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Solution

The fourth proportional to 93,107.06, 139,660.88 and 22,986.38 is: 34,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,107.06 : 139,660.88 = 22,986.38 : x
  2. Step 2: Convert to fraction form
    93,107.06/139,660.88 = 22,986.38/x
  3. Step 3: Cross multiply
    93,107.06x = 139,660.88 × 22,986.38
  4. Step 4: Simplify right side
    93,107.06x = 3,210,298,058.81
  5. Step 5: Solve for x
    x = 3,210,298,058.81/93,107.06
  6. Step 6: Final answer
    x = 34,479.64

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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.