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Finding the Fourth Proportional to 186,220.54, 256,985.22 and 101,338.48

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Solution

The fourth proportional to 186,220.54, 256,985.22 and 101,338.48 is: 139,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.54 : 256,985.22 = 101,338.48 : x
  2. Step 2: Convert to fraction form
    186,220.54/256,985.22 = 101,338.48/x
  3. Step 3: Cross multiply
    186,220.54x = 256,985.22 × 101,338.48
  4. Step 4: Simplify right side
    186,220.54x = 26,042,491,577.27
  5. Step 5: Solve for x
    x = 26,042,491,577.27/186,220.54
  6. Step 6: Final answer
    x = 139,847.58

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1.5x scale

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.