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Finding the Fourth Proportional to 175,203.90, 262,673.28 and 74,033.28

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Solution

The fourth proportional to 175,203.90, 262,673.28 and 74,033.28 is: 110,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,203.90 : 262,673.28 = 74,033.28 : x
  2. Step 2: Convert to fraction form
    175,203.90/262,673.28 = 74,033.28/x
  3. Step 3: Cross multiply
    175,203.90x = 262,673.28 × 74,033.28
  4. Step 4: Simplify right side
    175,203.90x = 19,446,564,486.76
  5. Step 5: Solve for x
    x = 19,446,564,486.76/175,203.90
  6. Step 6: Final answer
    x = 110,993.90

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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.