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Finding the Fourth Proportional to 162,367.11, 224,039.25 and 90,747.72

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Solution

The fourth proportional to 162,367.11, 224,039.25 and 90,747.72 is: 125,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,367.11 : 224,039.25 = 90,747.72 : x
  2. Step 2: Convert to fraction form
    162,367.11/224,039.25 = 90,747.72/x
  3. Step 3: Cross multiply
    162,367.11x = 224,039.25 × 90,747.72
  4. Step 4: Simplify right side
    162,367.11x = 20,331,051,128.01
  5. Step 5: Solve for x
    x = 20,331,051,128.01/162,367.11
  6. Step 6: Final answer
    x = 125,216.56

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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.