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Finding the Fourth Proportional to 181,036.80, 271,506.60 and 75,866.40

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Solution

The fourth proportional to 181,036.80, 271,506.60 and 75,866.40 is: 113,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,036.80 : 271,506.60 = 75,866.40 : x
  2. Step 2: Convert to fraction form
    181,036.80/271,506.60 = 75,866.40/x
  3. Step 3: Cross multiply
    181,036.80x = 271,506.60 × 75,866.40
  4. Step 4: Simplify right side
    181,036.80x = 20,598,228,318.24
  5. Step 5: Solve for x
    x = 20,598,228,318.24/181,036.80
  6. Step 6: Final answer
    x = 113,779.23

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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.