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Finding the Fourth Proportional to 108,567.48, 149,813.10 and 60,822.84

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Solution

The fourth proportional to 108,567.48, 149,813.10 and 60,822.84 is: 83,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,567.48 : 149,813.10 = 60,822.84 : x
  2. Step 2: Convert to fraction form
    108,567.48/149,813.10 = 60,822.84/x
  3. Step 3: Cross multiply
    108,567.48x = 149,813.10 × 60,822.84
  4. Step 4: Simplify right side
    108,567.48x = 9,112,058,211.20
  5. Step 5: Solve for x
    x = 9,112,058,211.20/108,567.48
  6. Step 6: Final answer
    x = 83,929.90

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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.