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Finding the Fourth Proportional to 170,341.80, 255,551.10 and 52,018.60

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Solution

The fourth proportional to 170,341.80, 255,551.10 and 52,018.60 is: 78,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,341.80 : 255,551.10 = 52,018.60 : x
  2. Step 2: Convert to fraction form
    170,341.80/255,551.10 = 52,018.60/x
  3. Step 3: Cross multiply
    170,341.80x = 255,551.10 × 52,018.60
  4. Step 4: Simplify right side
    170,341.80x = 13,293,410,450.46
  5. Step 5: Solve for x
    x = 13,293,410,450.46/170,341.80
  6. Step 6: Final answer
    x = 78,039.63

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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.