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Finding the Fourth Proportional to 259,374.42, 357,920.37 and 144,669.92

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Solution

The fourth proportional to 259,374.42, 357,920.37 and 144,669.92 is: 199,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,374.42 : 357,920.37 = 144,669.92 : x
  2. Step 2: Convert to fraction form
    259,374.42/357,920.37 = 144,669.92/x
  3. Step 3: Cross multiply
    259,374.42x = 357,920.37 × 144,669.92
  4. Step 4: Simplify right side
    259,374.42x = 51,780,309,504.67
  5. Step 5: Solve for x
    x = 51,780,309,504.67/259,374.42
  6. Step 6: Final answer
    x = 199,635.37

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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.