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Finding the Fourth Proportional to 162,846.72, 224,716.32 and 99,174.24

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Solution

The fourth proportional to 162,846.72, 224,716.32 and 99,174.24 is: 136,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,846.72 : 224,716.32 = 99,174.24 : x
  2. Step 2: Convert to fraction form
    162,846.72/224,716.32 = 99,174.24/x
  3. Step 3: Cross multiply
    162,846.72x = 224,716.32 × 99,174.24
  4. Step 4: Simplify right side
    162,846.72x = 22,286,070,251.60
  5. Step 5: Solve for x
    x = 22,286,070,251.60/162,846.72
  6. Step 6: Final answer
    x = 136,853.05

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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.