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Finding the Fourth Proportional to 115,164.84, 172,665.48 and 44,027.52

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Solution

The fourth proportional to 115,164.84, 172,665.48 and 44,027.52 is: 66,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,164.84 : 172,665.48 = 44,027.52 : x
  2. Step 2: Convert to fraction form
    115,164.84/172,665.48 = 44,027.52/x
  3. Step 3: Cross multiply
    115,164.84x = 172,665.48 × 44,027.52
  4. Step 4: Simplify right side
    115,164.84x = 7,602,032,874.01
  5. Step 5: Solve for x
    x = 7,602,032,874.01/115,164.84
  6. Step 6: Final answer
    x = 66,010.02

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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.