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Finding the Fourth Proportional to 259,257.39, 388,885.14 and 101,374.62

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Solution

The fourth proportional to 259,257.39, 388,885.14 and 101,374.62 is: 152,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,257.39 : 388,885.14 = 101,374.62 : x
  2. Step 2: Convert to fraction form
    259,257.39/388,885.14 = 101,374.62/x
  3. Step 3: Cross multiply
    259,257.39x = 388,885.14 × 101,374.62
  4. Step 4: Simplify right side
    259,257.39x = 39,423,083,291.15
  5. Step 5: Solve for x
    x = 39,423,083,291.15/259,257.39
  6. Step 6: Final answer
    x = 152,061.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.