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Finding the Fourth Proportional to 151,880.88, 209,557.88 and 131,705.52

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Solution

The fourth proportional to 151,880.88, 209,557.88 and 131,705.52 is: 181,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,880.88 : 209,557.88 = 131,705.52 : x
  2. Step 2: Convert to fraction form
    151,880.88/209,557.88 = 131,705.52/x
  3. Step 3: Cross multiply
    151,880.88x = 209,557.88 × 131,705.52
  4. Step 4: Simplify right side
    151,880.88x = 27,599,929,555.50
  5. Step 5: Solve for x
    x = 27,599,929,555.50/151,880.88
  6. Step 6: Final answer
    x = 181,720.90

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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.