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Finding the Fourth Proportional to 117,265.88, 175,923.65 and 45,220.63

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Solution

The fourth proportional to 117,265.88, 175,923.65 and 45,220.63 is: 67,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,265.88 : 175,923.65 = 45,220.63 : x
  2. Step 2: Convert to fraction form
    117,265.88/175,923.65 = 45,220.63/x
  3. Step 3: Cross multiply
    117,265.88x = 175,923.65 × 45,220.63
  4. Step 4: Simplify right side
    117,265.88x = 7,955,378,033.63
  5. Step 5: Solve for x
    x = 7,955,378,033.63/117,265.88
  6. Step 6: Final answer
    x = 67,840.52

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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.