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Finding the Fourth Proportional to 291,568.01, 437,171.58 and 113,866.07

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Solution

The fourth proportional to 291,568.01, 437,171.58 and 113,866.07 is: 170,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,568.01 : 437,171.58 = 113,866.07 : x
  2. Step 2: Convert to fraction form
    291,568.01/437,171.58 = 113,866.07/x
  3. Step 3: Cross multiply
    291,568.01x = 437,171.58 × 113,866.07
  4. Step 4: Simplify right side
    291,568.01x = 49,779,007,544.43
  5. Step 5: Solve for x
    x = 49,779,007,544.43/291,568.01
  6. Step 6: Final answer
    x = 170,728.64

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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.