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Finding the Fourth Proportional to 115,810.79, 173,714.36 and 36,924.49

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Solution

The fourth proportional to 115,810.79, 173,714.36 and 36,924.49 is: 55,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,810.79 : 173,714.36 = 36,924.49 : x
  2. Step 2: Convert to fraction form
    115,810.79/173,714.36 = 36,924.49/x
  3. Step 3: Cross multiply
    115,810.79x = 173,714.36 × 36,924.49
  4. Step 4: Simplify right side
    115,810.79x = 6,414,313,280.10
  5. Step 5: Solve for x
    x = 6,414,313,280.10/115,810.79
  6. Step 6: Final answer
    x = 55,386.15

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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.