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Finding the Fourth Proportional to 170,624.64, 255,986.15 and 52,313.43

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Solution

The fourth proportional to 170,624.64, 255,986.15 and 52,313.43 is: 78,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,624.64 : 255,986.15 = 52,313.43 : x
  2. Step 2: Convert to fraction form
    170,624.64/255,986.15 = 52,313.43/x
  3. Step 3: Cross multiply
    170,624.64x = 255,986.15 × 52,313.43
  4. Step 4: Simplify right side
    170,624.64x = 13,391,513,277.43
  5. Step 5: Solve for x
    x = 13,391,513,277.43/170,624.64
  6. Step 6: Final answer
    x = 78,485.23

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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.