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Finding the Fourth Proportional to 94,573.82, 141,812.12 and 28,005.59

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Solution

The fourth proportional to 94,573.82, 141,812.12 and 28,005.59 is: 41,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,573.82 : 141,812.12 = 28,005.59 : x
  2. Step 2: Convert to fraction form
    94,573.82/141,812.12 = 28,005.59/x
  3. Step 3: Cross multiply
    94,573.82x = 141,812.12 × 28,005.59
  4. Step 4: Simplify right side
    94,573.82x = 3,971,531,240.66
  5. Step 5: Solve for x
    x = 3,971,531,240.66/94,573.82
  6. Step 6: Final answer
    x = 41,993.98

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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.