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Finding the Fourth Proportional to 93,095.20, 139,648.20 and 26,540.20

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Solution

The fourth proportional to 93,095.20, 139,648.20 and 26,540.20 is: 39,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,095.20 : 139,648.20 = 26,540.20 : x
  2. Step 2: Convert to fraction form
    93,095.20/139,648.20 = 26,540.20/x
  3. Step 3: Cross multiply
    93,095.20x = 139,648.20 × 26,540.20
  4. Step 4: Simplify right side
    93,095.20x = 3,706,291,157.64
  5. Step 5: Solve for x
    x = 3,706,291,157.64/93,095.20
  6. Step 6: Final answer
    x = 39,811.84

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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.