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Finding the Fourth Proportional to 253,372.50, 349,569.14 and 145,940.04

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Solution

The fourth proportional to 253,372.50, 349,569.14 and 145,940.04 is: 201,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,372.50 : 349,569.14 = 145,940.04 : x
  2. Step 2: Convert to fraction form
    253,372.50/349,569.14 = 145,940.04/x
  3. Step 3: Cross multiply
    253,372.50x = 349,569.14 × 145,940.04
  4. Step 4: Simplify right side
    253,372.50x = 51,016,133,544.67
  5. Step 5: Solve for x
    x = 51,016,133,544.67/253,372.50
  6. Step 6: Final answer
    x = 201,348.35

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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.