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Finding the Fourth Proportional to 183,810.60, 275,715.90 and 137,154.60

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Solution

The fourth proportional to 183,810.60, 275,715.90 and 137,154.60 is: 205,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,810.60 : 275,715.90 = 137,154.60 : x
  2. Step 2: Convert to fraction form
    183,810.60/275,715.90 = 137,154.60/x
  3. Step 3: Cross multiply
    183,810.60x = 275,715.90 × 137,154.60
  4. Step 4: Simplify right side
    183,810.60x = 37,815,703,978.14
  5. Step 5: Solve for x
    x = 37,815,703,978.14/183,810.60
  6. Step 6: Final answer
    x = 205,731.90

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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.