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Finding the Fourth Proportional to 240,065.99, 331,186.98 and 144,517.32

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Solution

The fourth proportional to 240,065.99, 331,186.98 and 144,517.32 is: 199,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,065.99 : 331,186.98 = 144,517.32 : x
  2. Step 2: Convert to fraction form
    240,065.99/331,186.98 = 144,517.32/x
  3. Step 3: Cross multiply
    240,065.99x = 331,186.98 × 144,517.32
  4. Step 4: Simplify right side
    240,065.99x = 47,862,254,768.49
  5. Step 5: Solve for x
    x = 47,862,254,768.49/240,065.99
  6. Step 6: Final answer
    x = 199,371.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.