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Finding the Fourth Proportional to 104,670, 144,457.68 and 59,958

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Solution

The fourth proportional to 104,670, 144,457.68 and 59,958 is: 82,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670 : 144,457.68 = 59,958 : x
  2. Step 2: Convert to fraction form
    104,670/144,457.68 = 59,958/x
  3. Step 3: Cross multiply
    104,670x = 144,457.68 × 59,958
  4. Step 4: Simplify right side
    104,670x = 8,661,393,577.44
  5. Step 5: Solve for x
    x = 8,661,393,577.44/104,670
  6. Step 6: Final answer
    x = 82,749.53

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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.