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Finding the Fourth Proportional to 253,473.72, 349,881.18 and 146,086.56

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Solution

The fourth proportional to 253,473.72, 349,881.18 and 146,086.56 is: 201,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,473.72 : 349,881.18 = 146,086.56 : x
  2. Step 2: Convert to fraction form
    253,473.72/349,881.18 = 146,086.56/x
  3. Step 3: Cross multiply
    253,473.72x = 349,881.18 × 146,086.56
  4. Step 4: Simplify right side
    253,473.72x = 51,112,937,994.94
  5. Step 5: Solve for x
    x = 51,112,937,994.94/253,473.72
  6. Step 6: Final answer
    x = 201,649.85

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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.