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Finding the Fourth Proportional to 141,482.39, 212,257.31 and 41,645.84

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Solution

The fourth proportional to 141,482.39, 212,257.31 and 41,645.84 is: 62,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,482.39 : 212,257.31 = 41,645.84 : x
  2. Step 2: Convert to fraction form
    141,482.39/212,257.31 = 41,645.84/x
  3. Step 3: Cross multiply
    141,482.39x = 212,257.31 × 41,645.84
  4. Step 4: Simplify right side
    141,482.39x = 8,839,634,293.50
  5. Step 5: Solve for x
    x = 8,839,634,293.50/141,482.39
  6. Step 6: Final answer
    x = 62,478.69

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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.