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Finding the Fourth Proportional to 313,677.79, 470,252.16 and 136,051

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Solution

The fourth proportional to 313,677.79, 470,252.16 and 136,051 is: 203,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,677.79 : 470,252.16 = 136,051 : x
  2. Step 2: Convert to fraction form
    313,677.79/470,252.16 = 136,051/x
  3. Step 3: Cross multiply
    313,677.79x = 470,252.16 × 136,051
  4. Step 4: Simplify right side
    313,677.79x = 63,978,276,620.16
  5. Step 5: Solve for x
    x = 63,978,276,620.16/313,677.79
  6. Step 6: Final answer
    x = 203,961.77

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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.