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Finding the Fourth Proportional to 175,616.34, 242,354.25 and 103,970.22

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Solution

The fourth proportional to 175,616.34, 242,354.25 and 103,970.22 is: 143,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,616.34 : 242,354.25 = 103,970.22 : x
  2. Step 2: Convert to fraction form
    175,616.34/242,354.25 = 103,970.22/x
  3. Step 3: Cross multiply
    175,616.34x = 242,354.25 × 103,970.22
  4. Step 4: Simplify right side
    175,616.34x = 25,197,624,690.44
  5. Step 5: Solve for x
    x = 25,197,624,690.44/175,616.34
  6. Step 6: Final answer
    x = 143,481.09

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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.