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Finding the Fourth Proportional to 169,378.40, 253,905.60 and 62,733.80

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Solution

The fourth proportional to 169,378.40, 253,905.60 and 62,733.80 is: 94,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,378.40 : 253,905.60 = 62,733.80 : x
  2. Step 2: Convert to fraction form
    169,378.40/253,905.60 = 62,733.80/x
  3. Step 3: Cross multiply
    169,378.40x = 253,905.60 × 62,733.80
  4. Step 4: Simplify right side
    169,378.40x = 15,928,463,129.28
  5. Step 5: Solve for x
    x = 15,928,463,129.28/169,378.40
  6. Step 6: Final answer
    x = 94,040.70

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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.