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Finding the Fourth Proportional to 67,210.56, 100,841.76 and 29,751.84

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Solution

The fourth proportional to 67,210.56, 100,841.76 and 29,751.84 is: 44,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.56 : 100,841.76 = 29,751.84 : x
  2. Step 2: Convert to fraction form
    67,210.56/100,841.76 = 29,751.84/x
  3. Step 3: Cross multiply
    67,210.56x = 100,841.76 × 29,751.84
  4. Step 4: Simplify right side
    67,210.56x = 3,000,227,908.84
  5. Step 5: Solve for x
    x = 3,000,227,908.84/67,210.56
  6. Step 6: Final answer
    x = 44,639.23

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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.