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Finding the Fourth Proportional to 170,599.98, 255,928.59 and 52,242.78

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Solution

The fourth proportional to 170,599.98, 255,928.59 and 52,242.78 is: 78,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,599.98 : 255,928.59 = 52,242.78 : x
  2. Step 2: Convert to fraction form
    170,599.98/255,928.59 = 52,242.78/x
  3. Step 3: Cross multiply
    170,599.98x = 255,928.59 × 52,242.78
  4. Step 4: Simplify right side
    170,599.98x = 13,370,421,023.08
  5. Step 5: Solve for x
    x = 13,370,421,023.08/170,599.98
  6. Step 6: Final answer
    x = 78,372.93

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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.