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Finding the Fourth Proportional to 186,361.56, 257,171.76 and 101,476.80

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Solution

The fourth proportional to 186,361.56, 257,171.76 and 101,476.80 is: 140,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,361.56 : 257,171.76 = 101,476.80 : x
  2. Step 2: Convert to fraction form
    186,361.56/257,171.76 = 101,476.80/x
  3. Step 3: Cross multiply
    186,361.56x = 257,171.76 × 101,476.80
  4. Step 4: Simplify right side
    186,361.56x = 26,096,967,255.17
  5. Step 5: Solve for x
    x = 26,096,967,255.17/186,361.56
  6. Step 6: Final answer
    x = 140,034.07

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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.