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Finding the Fourth Proportional to 170,530.02, 255,794.85 and 45,871.02

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Solution

The fourth proportional to 170,530.02, 255,794.85 and 45,871.02 is: 68,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,530.02 : 255,794.85 = 45,871.02 : x
  2. Step 2: Convert to fraction form
    170,530.02/255,794.85 = 45,871.02/x
  3. Step 3: Cross multiply
    170,530.02x = 255,794.85 × 45,871.02
  4. Step 4: Simplify right side
    170,530.02x = 11,733,570,680.25
  5. Step 5: Solve for x
    x = 11,733,570,680.25/170,530.02
  6. Step 6: Final answer
    x = 68,806.48

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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.