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Finding the Fourth Proportional to 114,287.96, 171,443.21 and 39,398.24

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Solution

The fourth proportional to 114,287.96, 171,443.21 and 39,398.24 is: 59,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,287.96 : 171,443.21 = 39,398.24 : x
  2. Step 2: Convert to fraction form
    114,287.96/171,443.21 = 39,398.24/x
  3. Step 3: Cross multiply
    114,287.96x = 171,443.21 × 39,398.24
  4. Step 4: Simplify right side
    114,287.96x = 6,754,560,733.95
  5. Step 5: Solve for x
    x = 6,754,560,733.95/114,287.96
  6. Step 6: Final answer
    x = 59,101.25

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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.