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Finding the Fourth Proportional to 93,200, 139,801.08 and 23,079.92

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Solution

The fourth proportional to 93,200, 139,801.08 and 23,079.92 is: 34,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200 : 139,801.08 = 23,079.92 : x
  2. Step 2: Convert to fraction form
    93,200/139,801.08 = 23,079.92/x
  3. Step 3: Cross multiply
    93,200x = 139,801.08 × 23,079.92
  4. Step 4: Simplify right side
    93,200x = 3,226,597,742.31
  5. Step 5: Solve for x
    x = 3,226,597,742.31/93,200
  6. Step 6: Final answer
    x = 34,620.15

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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.