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Finding the Fourth Proportional to 174,802.56, 262,204.08 and 74,898

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Solution

The fourth proportional to 174,802.56, 262,204.08 and 74,898 is: 112,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,802.56 : 262,204.08 = 74,898 : x
  2. Step 2: Convert to fraction form
    174,802.56/262,204.08 = 74,898/x
  3. Step 3: Cross multiply
    174,802.56x = 262,204.08 × 74,898
  4. Step 4: Simplify right side
    174,802.56x = 19,638,561,183.84
  5. Step 5: Solve for x
    x = 19,638,561,183.84/174,802.56
  6. Step 6: Final answer
    x = 112,347.10

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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.