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Finding the Fourth Proportional to 174,804.56, 262,207.08 and 74,900

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Solution

The fourth proportional to 174,804.56, 262,207.08 and 74,900 is: 112,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,804.56 : 262,207.08 = 74,900 : x
  2. Step 2: Convert to fraction form
    174,804.56/262,207.08 = 74,900/x
  3. Step 3: Cross multiply
    174,804.56x = 262,207.08 × 74,900
  4. Step 4: Simplify right side
    174,804.56x = 19,639,310,292
  5. Step 5: Solve for x
    x = 19,639,310,292/174,804.56
  6. Step 6: Final answer
    x = 112,350.10

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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.