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Finding the Fourth Proportional to 253,522.92, 349,881.05 and 144,629.66

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Solution

The fourth proportional to 253,522.92, 349,881.05 and 144,629.66 is: 199,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,522.92 : 349,881.05 = 144,629.66 : x
  2. Step 2: Convert to fraction form
    253,522.92/349,881.05 = 144,629.66/x
  3. Step 3: Cross multiply
    253,522.92x = 349,881.05 × 144,629.66
  4. Step 4: Simplify right side
    253,522.92x = 50,603,174,829.39
  5. Step 5: Solve for x
    x = 50,603,174,829.39/253,522.92
  6. Step 6: Final answer
    x = 199,600.00

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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.