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Finding the Fourth Proportional to 241,624.71, 362,387.79 and 91,812.42

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Solution

The fourth proportional to 241,624.71, 362,387.79 and 91,812.42 is: 137,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,624.71 : 362,387.79 = 91,812.42 : x
  2. Step 2: Convert to fraction form
    241,624.71/362,387.79 = 91,812.42/x
  3. Step 3: Cross multiply
    241,624.71x = 362,387.79 × 91,812.42
  4. Step 4: Simplify right side
    241,624.71x = 33,271,699,978.35
  5. Step 5: Solve for x
    x = 33,271,699,978.35/241,624.71
  6. Step 6: Final answer
    x = 137,699.91

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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.