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Finding the Fourth Proportional to 117,429.67, 162,052.73 and 63,714.68

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Solution

The fourth proportional to 117,429.67, 162,052.73 and 63,714.68 is: 87,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,429.67 : 162,052.73 = 63,714.68 : x
  2. Step 2: Convert to fraction form
    117,429.67/162,052.73 = 63,714.68/x
  3. Step 3: Cross multiply
    117,429.67x = 162,052.73 × 63,714.68
  4. Step 4: Simplify right side
    117,429.67x = 10,325,136,917.90
  5. Step 5: Solve for x
    x = 10,325,136,917.90/117,429.67
  6. Step 6: Final answer
    x = 87,926.13

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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.