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Finding the Fourth Proportional to 186,704.80, 279,538.80 and 181,520.80

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Solution

The fourth proportional to 186,704.80, 279,538.80 and 181,520.80 is: 271,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,704.80 : 279,538.80 = 181,520.80 : x
  2. Step 2: Convert to fraction form
    186,704.80/279,538.80 = 181,520.80/x
  3. Step 3: Cross multiply
    186,704.80x = 279,538.80 × 181,520.80
  4. Step 4: Simplify right side
    186,704.80x = 50,742,106,607.04
  5. Step 5: Solve for x
    x = 50,742,106,607.04/186,704.80
  6. Step 6: Final answer
    x = 271,777.19

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1.5x scale

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.