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Finding the Fourth Proportional to 344,222.52, 516,211.60 and 100,995.71

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Solution

The fourth proportional to 344,222.52, 516,211.60 and 100,995.71 is: 151,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,222.52 : 516,211.60 = 100,995.71 : x
  2. Step 2: Convert to fraction form
    344,222.52/516,211.60 = 100,995.71/x
  3. Step 3: Cross multiply
    344,222.52x = 516,211.60 × 100,995.71
  4. Step 4: Simplify right side
    344,222.52x = 52,135,153,966.20
  5. Step 5: Solve for x
    x = 52,135,153,966.20/344,222.52
  6. Step 6: Final answer
    x = 151,457.71

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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.