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Finding the Fourth Proportional to 170,624, 235,446.36 and 110,197.28

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Solution

The fourth proportional to 170,624, 235,446.36 and 110,197.28 is: 152,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,624 : 235,446.36 = 110,197.28 : x
  2. Step 2: Convert to fraction form
    170,624/235,446.36 = 110,197.28/x
  3. Step 3: Cross multiply
    170,624x = 235,446.36 × 110,197.28
  4. Step 4: Simplify right side
    170,624x = 25,945,548,457.90
  5. Step 5: Solve for x
    x = 25,945,548,457.90/170,624
  6. Step 6: Final answer
    x = 152,062.71

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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.