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Finding the Fourth Proportional to 99,182.62, 136,965.43 and 69,050.33

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Solution

The fourth proportional to 99,182.62, 136,965.43 and 69,050.33 is: 95,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.62 : 136,965.43 = 69,050.33 : x
  2. Step 2: Convert to fraction form
    99,182.62/136,965.43 = 69,050.33/x
  3. Step 3: Cross multiply
    99,182.62x = 136,965.43 × 69,050.33
  4. Step 4: Simplify right side
    99,182.62x = 9,457,508,825.63
  5. Step 5: Solve for x
    x = 9,457,508,825.63/99,182.62
  6. Step 6: Final answer
    x = 95,354.50

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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.