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Finding the Fourth Proportional to 93,205.90, 139,798.39 and 25,747.53

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Solution

The fourth proportional to 93,205.90, 139,798.39 and 25,747.53 is: 38,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,205.90 : 139,798.39 = 25,747.53 : x
  2. Step 2: Convert to fraction form
    93,205.90/139,798.39 = 25,747.53/x
  3. Step 3: Cross multiply
    93,205.90x = 139,798.39 × 25,747.53
  4. Step 4: Simplify right side
    93,205.90x = 3,599,463,240.48
  5. Step 5: Solve for x
    x = 3,599,463,240.48/93,205.90
  6. Step 6: Final answer
    x = 38,618.41

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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.