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Finding the Fourth Proportional to 349,777.85, 524,683.17 and 113,138.98

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Solution

The fourth proportional to 349,777.85, 524,683.17 and 113,138.98 is: 169,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,777.85 : 524,683.17 = 113,138.98 : x
  2. Step 2: Convert to fraction form
    349,777.85/524,683.17 = 113,138.98/x
  3. Step 3: Cross multiply
    349,777.85x = 524,683.17 × 113,138.98
  4. Step 4: Simplify right side
    349,777.85x = 59,362,117,365.26
  5. Step 5: Solve for x
    x = 59,362,117,365.26/349,777.85
  6. Step 6: Final answer
    x = 169,713.77

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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.