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Finding the Fourth Proportional to 182,430.20, 272,989.20 and 123,381.20

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Solution

The fourth proportional to 182,430.20, 272,989.20 and 123,381.20 is: 184,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,430.20 : 272,989.20 = 123,381.20 : x
  2. Step 2: Convert to fraction form
    182,430.20/272,989.20 = 123,381.20/x
  3. Step 3: Cross multiply
    182,430.20x = 272,989.20 × 123,381.20
  4. Step 4: Simplify right side
    182,430.20x = 33,681,735,083.04
  5. Step 5: Solve for x
    x = 33,681,735,083.04/182,430.20
  6. Step 6: Final answer
    x = 184,628.07

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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.