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Finding the Fourth Proportional to 169,220.57, 253,563.82 and 62,457.57

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Solution

The fourth proportional to 169,220.57, 253,563.82 and 62,457.57 is: 93,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,220.57 : 253,563.82 = 62,457.57 : x
  2. Step 2: Convert to fraction form
    169,220.57/253,563.82 = 62,457.57/x
  3. Step 3: Cross multiply
    169,220.57x = 253,563.82 × 62,457.57
  4. Step 4: Simplify right side
    169,220.57x = 15,836,979,880.97
  5. Step 5: Solve for x
    x = 15,836,979,880.97/169,220.57
  6. Step 6: Final answer
    x = 93,587.80

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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.