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Finding the Fourth Proportional to 259,251.18, 357,764.49 and 144,528.45

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Solution

The fourth proportional to 259,251.18, 357,764.49 and 144,528.45 is: 199,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,251.18 : 357,764.49 = 144,528.45 : x
  2. Step 2: Convert to fraction form
    259,251.18/357,764.49 = 144,528.45/x
  3. Step 3: Cross multiply
    259,251.18x = 357,764.49 × 144,528.45
  4. Step 4: Simplify right side
    259,251.18x = 51,707,147,204.74
  5. Step 5: Solve for x
    x = 51,707,147,204.74/259,251.18
  6. Step 6: Final answer
    x = 199,448.07

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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.