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Finding the Fourth Proportional to 110,381.14, 152,321.74 and 62,631.64

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Solution

The fourth proportional to 110,381.14, 152,321.74 and 62,631.64 is: 86,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,381.14 : 152,321.74 = 62,631.64 : x
  2. Step 2: Convert to fraction form
    110,381.14/152,321.74 = 62,631.64/x
  3. Step 3: Cross multiply
    110,381.14x = 152,321.74 × 62,631.64
  4. Step 4: Simplify right side
    110,381.14x = 9,540,160,383.85
  5. Step 5: Solve for x
    x = 9,540,160,383.85/110,381.14
  6. Step 6: Final answer
    x = 86,429.26

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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.