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Finding the Fourth Proportional to 295,031.55, 407,139.15 and 165,960.27

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Solution

The fourth proportional to 295,031.55, 407,139.15 and 165,960.27 is: 229,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,031.55 : 407,139.15 = 165,960.27 : x
  2. Step 2: Convert to fraction form
    295,031.55/407,139.15 = 165,960.27/x
  3. Step 3: Cross multiply
    295,031.55x = 407,139.15 × 165,960.27
  4. Step 4: Simplify right side
    295,031.55x = 67,568,923,261.57
  5. Step 5: Solve for x
    x = 67,568,923,261.57/295,031.55
  6. Step 6: Final answer
    x = 229,022.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.