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Finding the Fourth Proportional to 133,265.60, 183,888.76 and 85,583.54

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Solution

The fourth proportional to 133,265.60, 183,888.76 and 85,583.54 is: 118,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.60 : 183,888.76 = 85,583.54 : x
  2. Step 2: Convert to fraction form
    133,265.60/183,888.76 = 85,583.54/x
  3. Step 3: Cross multiply
    133,265.60x = 183,888.76 × 85,583.54
  4. Step 4: Simplify right side
    133,265.60x = 15,737,851,047.01
  5. Step 5: Solve for x
    x = 15,737,851,047.01/133,265.60
  6. Step 6: Final answer
    x = 118,093.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.