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Finding the Fourth Proportional to 101,593.74, 152,484.32 and 51,709.79

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Solution

The fourth proportional to 101,593.74, 152,484.32 and 51,709.79 is: 77,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,593.74 : 152,484.32 = 51,709.79 : x
  2. Step 2: Convert to fraction form
    101,593.74/152,484.32 = 51,709.79/x
  3. Step 3: Cross multiply
    101,593.74x = 152,484.32 × 51,709.79
  4. Step 4: Simplify right side
    101,593.74x = 7,884,932,675.98
  5. Step 5: Solve for x
    x = 7,884,932,675.98/101,593.74
  6. Step 6: Final answer
    x = 77,612.38

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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.