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Finding the Fourth Proportional to 170,118.68, 255,104.13 and 51,762.34

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Solution

The fourth proportional to 170,118.68, 255,104.13 and 51,762.34 is: 77,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,118.68 : 255,104.13 = 51,762.34 : x
  2. Step 2: Convert to fraction form
    170,118.68/255,104.13 = 51,762.34/x
  3. Step 3: Cross multiply
    170,118.68x = 255,104.13 × 51,762.34
  4. Step 4: Simplify right side
    170,118.68x = 13,204,787,225.45
  5. Step 5: Solve for x
    x = 13,204,787,225.45/170,118.68
  6. Step 6: Final answer
    x = 77,621.03

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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.