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Finding the Fourth Proportional to 118,802.44, 178,230.26 and 39,914.52

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Solution

The fourth proportional to 118,802.44, 178,230.26 and 39,914.52 is: 59,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,802.44 : 178,230.26 = 39,914.52 : x
  2. Step 2: Convert to fraction form
    118,802.44/178,230.26 = 39,914.52/x
  3. Step 3: Cross multiply
    118,802.44x = 178,230.26 × 39,914.52
  4. Step 4: Simplify right side
    118,802.44x = 7,113,975,277.38
  5. Step 5: Solve for x
    x = 7,113,975,277.38/118,802.44
  6. Step 6: Final answer
    x = 59,880.72

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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.