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Finding the Fourth Proportional to 299,925.88, 450,013.86 and 131,567.02

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Solution

The fourth proportional to 299,925.88, 450,013.86 and 131,567.02 is: 197,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,925.88 : 450,013.86 = 131,567.02 : x
  2. Step 2: Convert to fraction form
    299,925.88/450,013.86 = 131,567.02/x
  3. Step 3: Cross multiply
    299,925.88x = 450,013.86 × 131,567.02
  4. Step 4: Simplify right side
    299,925.88x = 59,206,982,518.90
  5. Step 5: Solve for x
    x = 59,206,982,518.90/299,925.88
  6. Step 6: Final answer
    x = 197,405.38

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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.