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Finding the Fourth Proportional to 349,885.78, 524,829.73 and 97,180.05

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Solution

The fourth proportional to 349,885.78, 524,829.73 and 97,180.05 is: 145,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,885.78 : 524,829.73 = 97,180.05 : x
  2. Step 2: Convert to fraction form
    349,885.78/524,829.73 = 97,180.05/x
  3. Step 3: Cross multiply
    349,885.78x = 524,829.73 × 97,180.05
  4. Step 4: Simplify right side
    349,885.78x = 51,002,979,402.89
  5. Step 5: Solve for x
    x = 51,002,979,402.89/349,885.78
  6. Step 6: Final answer
    x = 145,770.37

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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.