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Finding the Fourth Proportional to 117,745.72, 176,624.67 and 38,866.12

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Solution

The fourth proportional to 117,745.72, 176,624.67 and 38,866.12 is: 58,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,745.72 : 176,624.67 = 38,866.12 : x
  2. Step 2: Convert to fraction form
    117,745.72/176,624.67 = 38,866.12/x
  3. Step 3: Cross multiply
    117,745.72x = 176,624.67 × 38,866.12
  4. Step 4: Simplify right side
    117,745.72x = 6,864,715,619.18
  5. Step 5: Solve for x
    x = 6,864,715,619.18/117,745.72
  6. Step 6: Final answer
    x = 58,301.19

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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.