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Finding the Fourth Proportional to 274,381.20, 411,617.52 and 94,459.68

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Solution

The fourth proportional to 274,381.20, 411,617.52 and 94,459.68 is: 141,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,381.20 : 411,617.52 = 94,459.68 : x
  2. Step 2: Convert to fraction form
    274,381.20/411,617.52 = 94,459.68/x
  3. Step 3: Cross multiply
    274,381.20x = 411,617.52 × 94,459.68
  4. Step 4: Simplify right side
    274,381.20x = 38,881,259,221.59
  5. Step 5: Solve for x
    x = 38,881,259,221.59/274,381.20
  6. Step 6: Final answer
    x = 141,705.26

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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.