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Finding the Fourth Proportional to 283,488.25, 425,084.74 and 105,849.17

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Solution

The fourth proportional to 283,488.25, 425,084.74 and 105,849.17 is: 158,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,488.25 : 425,084.74 = 105,849.17 : x
  2. Step 2: Convert to fraction form
    283,488.25/425,084.74 = 105,849.17/x
  3. Step 3: Cross multiply
    283,488.25x = 425,084.74 × 105,849.17
  4. Step 4: Simplify right side
    283,488.25x = 44,994,867,706.75
  5. Step 5: Solve for x
    x = 44,994,867,706.75/283,488.25
  6. Step 6: Final answer
    x = 158,718.64

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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.