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Finding the Fourth Proportional to 291,060.82, 436,663.89 and 101,523.94

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Solution

The fourth proportional to 291,060.82, 436,663.89 and 101,523.94 is: 152,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,060.82 : 436,663.89 = 101,523.94 : x
  2. Step 2: Convert to fraction form
    291,060.82/436,663.89 = 101,523.94/x
  3. Step 3: Cross multiply
    291,060.82x = 436,663.89 × 101,523.94
  4. Step 4: Simplify right side
    291,060.82x = 44,331,838,568.53
  5. Step 5: Solve for x
    x = 44,331,838,568.53/291,060.82
  6. Step 6: Final answer
    x = 152,311.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.