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Finding the Fourth Proportional to 162,561.64, 224,335.14 and 90,941.68

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Solution

The fourth proportional to 162,561.64, 224,335.14 and 90,941.68 is: 125,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,561.64 : 224,335.14 = 90,941.68 : x
  2. Step 2: Convert to fraction form
    162,561.64/224,335.14 = 90,941.68/x
  3. Step 3: Cross multiply
    162,561.64x = 224,335.14 × 90,941.68
  4. Step 4: Simplify right side
    162,561.64x = 20,401,414,514.64
  5. Step 5: Solve for x
    x = 20,401,414,514.64/162,561.64
  6. Step 6: Final answer
    x = 125,499.56

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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.