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Finding the Fourth Proportional to 247,750.40, 342,037.42 and 163,113.50

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Solution

The fourth proportional to 247,750.40, 342,037.42 and 163,113.50 is: 225,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,750.40 : 342,037.42 = 163,113.50 : x
  2. Step 2: Convert to fraction form
    247,750.40/342,037.42 = 163,113.50/x
  3. Step 3: Cross multiply
    247,750.40x = 342,037.42 × 163,113.50
  4. Step 4: Simplify right side
    247,750.40x = 55,790,920,707.17
  5. Step 5: Solve for x
    x = 55,790,920,707.17/247,750.40
  6. Step 6: Final answer
    x = 225,190.03

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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.