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Finding the Fourth Proportional to 181,713.11, 272,580.57 and 57,054.11

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Solution

The fourth proportional to 181,713.11, 272,580.57 and 57,054.11 is: 85,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,713.11 : 272,580.57 = 57,054.11 : x
  2. Step 2: Convert to fraction form
    181,713.11/272,580.57 = 57,054.11/x
  3. Step 3: Cross multiply
    181,713.11x = 272,580.57 × 57,054.11
  4. Step 4: Simplify right side
    181,713.11x = 15,551,840,461.74
  5. Step 5: Solve for x
    x = 15,551,840,461.74/181,713.11
  6. Step 6: Final answer
    x = 85,584.58

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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.