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Finding the Fourth Proportional to 169,418.67, 254,063.16 and 57,068.70

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Solution

The fourth proportional to 169,418.67, 254,063.16 and 57,068.70 is: 85,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,418.67 : 254,063.16 = 57,068.70 : x
  2. Step 2: Convert to fraction form
    169,418.67/254,063.16 = 57,068.70/x
  3. Step 3: Cross multiply
    169,418.67x = 254,063.16 × 57,068.70
  4. Step 4: Simplify right side
    169,418.67x = 14,499,054,259.09
  5. Step 5: Solve for x
    x = 14,499,054,259.09/169,418.67
  6. Step 6: Final answer
    x = 85,581.21

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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.