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Finding the Fourth Proportional to 363,128.76, 544,693.19 and 96,890.26

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Solution

The fourth proportional to 363,128.76, 544,693.19 and 96,890.26 is: 145,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,128.76 : 544,693.19 = 96,890.26 : x
  2. Step 2: Convert to fraction form
    363,128.76/544,693.19 = 96,890.26/x
  3. Step 3: Cross multiply
    363,128.76x = 544,693.19 × 96,890.26
  4. Step 4: Simplify right side
    363,128.76x = 52,775,464,799.33
  5. Step 5: Solve for x
    x = 52,775,464,799.33/363,128.76
  6. Step 6: Final answer
    x = 145,335.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.