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Finding the Fourth Proportional to 108,735.90, 163,431.90 and 94,301.70

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Solution

The fourth proportional to 108,735.90, 163,431.90 and 94,301.70 is: 141,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,735.90 : 163,431.90 = 94,301.70 : x
  2. Step 2: Convert to fraction form
    108,735.90/163,431.90 = 94,301.70/x
  3. Step 3: Cross multiply
    108,735.90x = 163,431.90 × 94,301.70
  4. Step 4: Simplify right side
    108,735.90x = 15,411,906,004.23
  5. Step 5: Solve for x
    x = 15,411,906,004.23/108,735.90
  6. Step 6: Final answer
    x = 141,737.05

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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.