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Finding the Fourth Proportional to 259,908.96, 358,677.36 and 152,480.88

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Solution

The fourth proportional to 259,908.96, 358,677.36 and 152,480.88 is: 210,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,908.96 : 358,677.36 = 152,480.88 : x
  2. Step 2: Convert to fraction form
    259,908.96/358,677.36 = 152,480.88/x
  3. Step 3: Cross multiply
    259,908.96x = 358,677.36 × 152,480.88
  4. Step 4: Simplify right side
    259,908.96x = 54,691,439,488.88
  5. Step 5: Solve for x
    x = 54,691,439,488.88/259,908.96
  6. Step 6: Final answer
    x = 210,425.37

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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.