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Finding the Fourth Proportional to 93,193.68, 139,780.80 and 26,629.50

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Solution

The fourth proportional to 93,193.68, 139,780.80 and 26,629.50 is: 39,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,193.68 : 139,780.80 = 26,629.50 : x
  2. Step 2: Convert to fraction form
    93,193.68/139,780.80 = 26,629.50/x
  3. Step 3: Cross multiply
    93,193.68x = 139,780.80 × 26,629.50
  4. Step 4: Simplify right side
    93,193.68x = 3,722,292,813.60
  5. Step 5: Solve for x
    x = 3,722,292,813.60/93,193.68
  6. Step 6: Final answer
    x = 39,941.47

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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.