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Finding the Fourth Proportional to 118,237.60, 177,356.40 and 73,950.85

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Solution

The fourth proportional to 118,237.60, 177,356.40 and 73,950.85 is: 110,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237.60 : 177,356.40 = 73,950.85 : x
  2. Step 2: Convert to fraction form
    118,237.60/177,356.40 = 73,950.85/x
  3. Step 3: Cross multiply
    118,237.60x = 177,356.40 × 73,950.85
  4. Step 4: Simplify right side
    118,237.60x = 13,115,656,532.94
  5. Step 5: Solve for x
    x = 13,115,656,532.94/118,237.60
  6. Step 6: Final answer
    x = 110,926.28

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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.