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Finding the Fourth Proportional to 183,713.40, 275,505.30 and 83,921.40

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Solution

The fourth proportional to 183,713.40, 275,505.30 and 83,921.40 is: 125,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,713.40 : 275,505.30 = 83,921.40 : x
  2. Step 2: Convert to fraction form
    183,713.40/275,505.30 = 83,921.40/x
  3. Step 3: Cross multiply
    183,713.40x = 275,505.30 × 83,921.40
  4. Step 4: Simplify right side
    183,713.40x = 23,120,790,483.42
  5. Step 5: Solve for x
    x = 23,120,790,483.42/183,713.40
  6. Step 6: Final answer
    x = 125,852.50

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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.