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Finding the Fourth Proportional to 104,597.16, 144,345.20 and 56,850.51

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Solution

The fourth proportional to 104,597.16, 144,345.20 and 56,850.51 is: 78,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,597.16 : 144,345.20 = 56,850.51 : x
  2. Step 2: Convert to fraction form
    104,597.16/144,345.20 = 56,850.51/x
  3. Step 3: Cross multiply
    104,597.16x = 144,345.20 × 56,850.51
  4. Step 4: Simplify right side
    104,597.16x = 8,206,098,236.05
  5. Step 5: Solve for x
    x = 8,206,098,236.05/104,597.16
  6. Step 6: Final answer
    x = 78,454.31

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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.