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Finding the Fourth Proportional to 186,211.13, 256,969.19 and 101,326.73

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Solution

The fourth proportional to 186,211.13, 256,969.19 and 101,326.73 is: 139,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,211.13 : 256,969.19 = 101,326.73 : x
  2. Step 2: Convert to fraction form
    186,211.13/256,969.19 = 101,326.73/x
  3. Step 3: Cross multiply
    186,211.13x = 256,969.19 × 101,326.73
  4. Step 4: Simplify right side
    186,211.13x = 26,037,845,941.97
  5. Step 5: Solve for x
    x = 26,037,845,941.97/186,211.13
  6. Step 6: Final answer
    x = 139,829.70

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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.