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Finding the Fourth Proportional to 108,053.89, 148,975.74 and 88,601.14

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Solution

The fourth proportional to 108,053.89, 148,975.74 and 88,601.14 is: 122,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,053.89 : 148,975.74 = 88,601.14 : x
  2. Step 2: Convert to fraction form
    108,053.89/148,975.74 = 88,601.14/x
  3. Step 3: Cross multiply
    108,053.89x = 148,975.74 × 88,601.14
  4. Step 4: Simplify right side
    108,053.89x = 13,199,419,651.46
  5. Step 5: Solve for x
    x = 13,199,419,651.46/108,053.89
  6. Step 6: Final answer
    x = 122,155.90

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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.