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Finding the Fourth Proportional to 93,007.80, 139,512.31 and 29,837.52

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Solution

The fourth proportional to 93,007.80, 139,512.31 and 29,837.52 is: 44,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,007.80 : 139,512.31 = 29,837.52 : x
  2. Step 2: Convert to fraction form
    93,007.80/139,512.31 = 29,837.52/x
  3. Step 3: Cross multiply
    93,007.80x = 139,512.31 × 29,837.52
  4. Step 4: Simplify right side
    93,007.80x = 4,162,701,265.28
  5. Step 5: Solve for x
    x = 4,162,701,265.28/93,007.80
  6. Step 6: Final answer
    x = 44,756.47

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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.