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Finding the Fourth Proportional to 133,025.68, 183,425.88 and 108,751.60

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Solution

The fourth proportional to 133,025.68, 183,425.88 and 108,751.60 is: 149,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.68 : 183,425.88 = 108,751.60 : x
  2. Step 2: Convert to fraction form
    133,025.68/183,425.88 = 108,751.60/x
  3. Step 3: Cross multiply
    133,025.68x = 183,425.88 × 108,751.60
  4. Step 4: Simplify right side
    133,025.68x = 19,947,857,931.41
  5. Step 5: Solve for x
    x = 19,947,857,931.41/133,025.68
  6. Step 6: Final answer
    x = 149,954.94

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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.