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Finding the Fourth Proportional to 93,009.60, 139,573.76 and 33,839.60

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Solution

The fourth proportional to 93,009.60, 139,573.76 and 33,839.60 is: 50,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,009.60 : 139,573.76 = 33,839.60 : x
  2. Step 2: Convert to fraction form
    93,009.60/139,573.76 = 33,839.60/x
  3. Step 3: Cross multiply
    93,009.60x = 139,573.76 × 33,839.60
  4. Step 4: Simplify right side
    93,009.60x = 4,723,120,208.90
  5. Step 5: Solve for x
    x = 4,723,120,208.90/93,009.60
  6. Step 6: Final answer
    x = 50,781.00

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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.