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Finding the Fourth Proportional to 108,406.29, 149,595.80 and 60,010.03

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Solution

The fourth proportional to 108,406.29, 149,595.80 and 60,010.03 is: 82,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,406.29 : 149,595.80 = 60,010.03 : x
  2. Step 2: Convert to fraction form
    108,406.29/149,595.80 = 60,010.03/x
  3. Step 3: Cross multiply
    108,406.29x = 149,595.80 × 60,010.03
  4. Step 4: Simplify right side
    108,406.29x = 8,977,248,445.87
  5. Step 5: Solve for x
    x = 8,977,248,445.87/108,406.29
  6. Step 6: Final answer
    x = 82,811.14

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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.