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Finding the Fourth Proportional to 117,622.72, 162,301.08 and 69,874.84

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Solution

The fourth proportional to 117,622.72, 162,301.08 and 69,874.84 is: 96,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622.72 : 162,301.08 = 69,874.84 : x
  2. Step 2: Convert to fraction form
    117,622.72/162,301.08 = 69,874.84/x
  3. Step 3: Cross multiply
    117,622.72x = 162,301.08 × 69,874.84
  4. Step 4: Simplify right side
    117,622.72x = 11,340,761,996.83
  5. Step 5: Solve for x
    x = 11,340,761,996.83/117,622.72
  6. Step 6: Final answer
    x = 96,416.42

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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.