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Finding the Fourth Proportional to 117,653.12, 176,462.40 and 58,469.12

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Solution

The fourth proportional to 117,653.12, 176,462.40 and 58,469.12 is: 87,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,653.12 : 176,462.40 = 58,469.12 : x
  2. Step 2: Convert to fraction form
    117,653.12/176,462.40 = 58,469.12/x
  3. Step 3: Cross multiply
    117,653.12x = 176,462.40 × 58,469.12
  4. Step 4: Simplify right side
    117,653.12x = 10,317,601,241.09
  5. Step 5: Solve for x
    x = 10,317,601,241.09/117,653.12
  6. Step 6: Final answer
    x = 87,695.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.