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Finding the Fourth Proportional to 94,430, 141,645.09 and 39,027.44

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Solution

The fourth proportional to 94,430, 141,645.09 and 39,027.44 is: 58,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,430 : 141,645.09 = 39,027.44 : x
  2. Step 2: Convert to fraction form
    94,430/141,645.09 = 39,027.44/x
  3. Step 3: Cross multiply
    94,430x = 141,645.09 × 39,027.44
  4. Step 4: Simplify right side
    94,430x = 5,528,045,251.27
  5. Step 5: Solve for x
    x = 5,528,045,251.27/94,430
  6. Step 6: Final answer
    x = 58,541.20

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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.