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Finding the Fourth Proportional to 216,665.12, 325,004.32 and 58,896.96

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Solution

The fourth proportional to 216,665.12, 325,004.32 and 58,896.96 is: 88,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,665.12 : 325,004.32 = 58,896.96 : x
  2. Step 2: Convert to fraction form
    216,665.12/325,004.32 = 58,896.96/x
  3. Step 3: Cross multiply
    216,665.12x = 325,004.32 × 58,896.96
  4. Step 4: Simplify right side
    216,665.12x = 19,141,766,434.87
  5. Step 5: Solve for x
    x = 19,141,766,434.87/216,665.12
  6. Step 6: Final answer
    x = 88,347.24

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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.