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Finding the Fourth Proportional to 243,466.62, 335,977.63 and 136,037.46

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Solution

The fourth proportional to 243,466.62, 335,977.63 and 136,037.46 is: 187,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,466.62 : 335,977.63 = 136,037.46 : x
  2. Step 2: Convert to fraction form
    243,466.62/335,977.63 = 136,037.46/x
  3. Step 3: Cross multiply
    243,466.62x = 335,977.63 × 136,037.46
  4. Step 4: Simplify right side
    243,466.62x = 45,705,543,402.02
  5. Step 5: Solve for x
    x = 45,705,543,402.02/243,466.62
  6. Step 6: Final answer
    x = 187,728.17

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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.