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Finding the Fourth Proportional to 259,173.70, 357,663.28 and 144,449.14

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Solution

The fourth proportional to 259,173.70, 357,663.28 and 144,449.14 is: 199,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,173.70 : 357,663.28 = 144,449.14 : x
  2. Step 2: Convert to fraction form
    259,173.70/357,663.28 = 144,449.14/x
  3. Step 3: Cross multiply
    259,173.70x = 357,663.28 × 144,449.14
  4. Step 4: Simplify right side
    259,173.70x = 51,664,153,205.58
  5. Step 5: Solve for x
    x = 51,664,153,205.58/259,173.70
  6. Step 6: Final answer
    x = 199,341.81

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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.