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Finding the Fourth Proportional to 116,532, 174,827.16 and 49,939.20

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Solution

The fourth proportional to 116,532, 174,827.16 and 49,939.20 is: 74,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,532 : 174,827.16 = 49,939.20 : x
  2. Step 2: Convert to fraction form
    116,532/174,827.16 = 49,939.20/x
  3. Step 3: Cross multiply
    116,532x = 174,827.16 × 49,939.20
  4. Step 4: Simplify right side
    116,532x = 8,730,728,508.67
  5. Step 5: Solve for x
    x = 8,730,728,508.67/116,532
  6. Step 6: Final answer
    x = 74,921.30

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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.