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Finding the Fourth Proportional to 148,374.79, 204,553.76 and 93,899.86

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Solution

The fourth proportional to 148,374.79, 204,553.76 and 93,899.86 is: 129,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,374.79 : 204,553.76 = 93,899.86 : x
  2. Step 2: Convert to fraction form
    148,374.79/204,553.76 = 93,899.86/x
  3. Step 3: Cross multiply
    148,374.79x = 204,553.76 × 93,899.86
  4. Step 4: Simplify right side
    148,374.79x = 19,207,568,445.59
  5. Step 5: Solve for x
    x = 19,207,568,445.59/148,374.79
  6. Step 6: Final answer
    x = 129,453.05

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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.