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Finding the Fourth Proportional to 179,124, 247,191.12 and 103,716.96

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Solution

The fourth proportional to 179,124, 247,191.12 and 103,716.96 is: 143,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,124 : 247,191.12 = 103,716.96 : x
  2. Step 2: Convert to fraction form
    179,124/247,191.12 = 103,716.96/x
  3. Step 3: Cross multiply
    179,124x = 247,191.12 × 103,716.96
  4. Step 4: Simplify right side
    179,124x = 25,637,911,505.40
  5. Step 5: Solve for x
    x = 25,637,911,505.40/179,124
  6. Step 6: Final answer
    x = 143,129.40

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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.