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Finding the Fourth Proportional to 93,188.88, 139,763.48 and 26,611.34

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Solution

The fourth proportional to 93,188.88, 139,763.48 and 26,611.34 is: 39,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188.88 : 139,763.48 = 26,611.34 : x
  2. Step 2: Convert to fraction form
    93,188.88/139,763.48 = 26,611.34/x
  3. Step 3: Cross multiply
    93,188.88x = 139,763.48 × 26,611.34
  4. Step 4: Simplify right side
    93,188.88x = 3,719,292,653.99
  5. Step 5: Solve for x
    x = 3,719,292,653.99/93,188.88
  6. Step 6: Final answer
    x = 39,911.34

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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.