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Finding the Fourth Proportional to 94,928, 142,403.52 and 29,264

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Solution

The fourth proportional to 94,928, 142,403.52 and 29,264 is: 43,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,928 : 142,403.52 = 29,264 : x
  2. Step 2: Convert to fraction form
    94,928/142,403.52 = 29,264/x
  3. Step 3: Cross multiply
    94,928x = 142,403.52 × 29,264
  4. Step 4: Simplify right side
    94,928x = 4,167,296,609.28
  5. Step 5: Solve for x
    x = 4,167,296,609.28/94,928
  6. Step 6: Final answer
    x = 43,899.55

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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.