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Finding the Fourth Proportional to 242,359.44, 334,461.72 and 134,936.70

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Solution

The fourth proportional to 242,359.44, 334,461.72 and 134,936.70 is: 186,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,359.44 : 334,461.72 = 134,936.70 : x
  2. Step 2: Convert to fraction form
    242,359.44/334,461.72 = 134,936.70/x
  3. Step 3: Cross multiply
    242,359.44x = 334,461.72 × 134,936.70
  4. Step 4: Simplify right side
    242,359.44x = 45,131,160,773.12
  5. Step 5: Solve for x
    x = 45,131,160,773.12/242,359.44
  6. Step 6: Final answer
    x = 186,215.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.