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Finding the Fourth Proportional to 169,697.47, 254,546.81 and 57,378.62

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Solution

The fourth proportional to 169,697.47, 254,546.81 and 57,378.62 is: 86,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,697.47 : 254,546.81 = 57,378.62 : x
  2. Step 2: Convert to fraction form
    169,697.47/254,546.81 = 57,378.62/x
  3. Step 3: Cross multiply
    169,697.47x = 254,546.81 × 57,378.62
  4. Step 4: Simplify right side
    169,697.47x = 14,605,543,123.58
  5. Step 5: Solve for x
    x = 14,605,543,123.58/169,697.47
  6. Step 6: Final answer
    x = 86,068.13

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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.