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Finding the Fourth Proportional to 259,500.48, 389,224 and 69,952.96

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Solution

The fourth proportional to 259,500.48, 389,224 and 69,952.96 is: 104,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,500.48 : 389,224 = 69,952.96 : x
  2. Step 2: Convert to fraction form
    259,500.48/389,224 = 69,952.96/x
  3. Step 3: Cross multiply
    259,500.48x = 389,224 × 69,952.96
  4. Step 4: Simplify right side
    259,500.48x = 27,227,370,903.04
  5. Step 5: Solve for x
    x = 27,227,370,903.04/259,500.48
  6. Step 6: Final answer
    x = 104,922.24

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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.