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Finding the Fourth Proportional to 179,364, 247,522.32 and 103,956.24

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Solution

The fourth proportional to 179,364, 247,522.32 and 103,956.24 is: 143,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,364 : 247,522.32 = 103,956.24 : x
  2. Step 2: Convert to fraction form
    179,364/247,522.32 = 103,956.24/x
  3. Step 3: Cross multiply
    179,364x = 247,522.32 × 103,956.24
  4. Step 4: Simplify right side
    179,364x = 25,731,489,703.28
  5. Step 5: Solve for x
    x = 25,731,489,703.28/179,364
  6. Step 6: Final answer
    x = 143,459.61

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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.