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Finding the Fourth Proportional to 175,969.98, 242,774.91 and 115,573.32

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Solution

The fourth proportional to 175,969.98, 242,774.91 and 115,573.32 is: 159,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,969.98 : 242,774.91 = 115,573.32 : x
  2. Step 2: Convert to fraction form
    175,969.98/242,774.91 = 115,573.32/x
  3. Step 3: Cross multiply
    175,969.98x = 242,774.91 × 115,573.32
  4. Step 4: Simplify right side
    175,969.98x = 28,058,302,361.40
  5. Step 5: Solve for x
    x = 28,058,302,361.40/175,969.98
  6. Step 6: Final answer
    x = 159,449.37

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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.