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Finding the Fourth Proportional to 253,182.66, 349,391.52 and 145,713.48

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Solution

The fourth proportional to 253,182.66, 349,391.52 and 145,713.48 is: 201,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182.66 : 349,391.52 = 145,713.48 : x
  2. Step 2: Convert to fraction form
    253,182.66/349,391.52 = 145,713.48/x
  3. Step 3: Cross multiply
    253,182.66x = 349,391.52 × 145,713.48
  4. Step 4: Simplify right side
    253,182.66x = 50,911,054,261.69
  5. Step 5: Solve for x
    x = 50,911,054,261.69/253,182.66
  6. Step 6: Final answer
    x = 201,084.29

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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.