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Finding the Fourth Proportional to 171,866.48, 237,204.28 and 100,246.52

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Solution

The fourth proportional to 171,866.48, 237,204.28 and 100,246.52 is: 138,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,866.48 : 237,204.28 = 100,246.52 : x
  2. Step 2: Convert to fraction form
    171,866.48/237,204.28 = 100,246.52/x
  3. Step 3: Cross multiply
    171,866.48x = 237,204.28 × 100,246.52
  4. Step 4: Simplify right side
    171,866.48x = 23,778,903,599.11
  5. Step 5: Solve for x
    x = 23,778,903,599.11/171,866.48
  6. Step 6: Final answer
    x = 138,356.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.