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Finding the Fourth Proportional to 175,203.42, 262,866.12 and 55,278.89

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Solution

The fourth proportional to 175,203.42, 262,866.12 and 55,278.89 is: 82,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,203.42 : 262,866.12 = 55,278.89 : x
  2. Step 2: Convert to fraction form
    175,203.42/262,866.12 = 55,278.89/x
  3. Step 3: Cross multiply
    175,203.42x = 262,866.12 × 55,278.89
  4. Step 4: Simplify right side
    175,203.42x = 14,530,946,675.04
  5. Step 5: Solve for x
    x = 14,530,946,675.04/175,203.42
  6. Step 6: Final answer
    x = 82,937.57

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1.5x scale

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.