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Finding the Fourth Proportional to 253,464.72, 349,868.76 and 146,077.56

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Solution

The fourth proportional to 253,464.72, 349,868.76 and 146,077.56 is: 201,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,464.72 : 349,868.76 = 146,077.56 : x
  2. Step 2: Convert to fraction form
    253,464.72/349,868.76 = 146,077.56/x
  3. Step 3: Cross multiply
    253,464.72x = 349,868.76 × 146,077.56
  4. Step 4: Simplify right side
    253,464.72x = 51,107,974,781.03
  5. Step 5: Solve for x
    x = 51,107,974,781.03/253,464.72
  6. Step 6: Final answer
    x = 201,637.43

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1.5x scale

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.