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Finding the Fourth Proportional to 93,412.90, 140,093.40 and 25,929.42

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Solution

The fourth proportional to 93,412.90, 140,093.40 and 25,929.42 is: 38,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,412.90 : 140,093.40 = 25,929.42 : x
  2. Step 2: Convert to fraction form
    93,412.90/140,093.40 = 25,929.42/x
  3. Step 3: Cross multiply
    93,412.90x = 140,093.40 × 25,929.42
  4. Step 4: Simplify right side
    93,412.90x = 3,632,540,033.86
  5. Step 5: Solve for x
    x = 3,632,540,033.86/93,412.90
  6. Step 6: Final answer
    x = 38,886.92

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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.