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Finding the Fourth Proportional to 108,446.86, 149,628.28 and 62,495.26

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Solution

The fourth proportional to 108,446.86, 149,628.28 and 62,495.26 is: 86,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,446.86 : 149,628.28 = 62,495.26 : x
  2. Step 2: Convert to fraction form
    108,446.86/149,628.28 = 62,495.26/x
  3. Step 3: Cross multiply
    108,446.86x = 149,628.28 × 62,495.26
  4. Step 4: Simplify right side
    108,446.86x = 9,351,058,261.95
  5. Step 5: Solve for x
    x = 9,351,058,261.95/108,446.86
  6. Step 6: Final answer
    x = 86,227.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.