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Finding the Fourth Proportional to 108,747.90, 163,449.90 and 94,313.70

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Solution

The fourth proportional to 108,747.90, 163,449.90 and 94,313.70 is: 141,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,747.90 : 163,449.90 = 94,313.70 : x
  2. Step 2: Convert to fraction form
    108,747.90/163,449.90 = 94,313.70/x
  3. Step 3: Cross multiply
    108,747.90x = 163,449.90 × 94,313.70
  4. Step 4: Simplify right side
    108,747.90x = 15,415,564,833.63
  5. Step 5: Solve for x
    x = 15,415,564,833.63/108,747.90
  6. Step 6: Final answer
    x = 141,755.06

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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.