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Finding the Fourth Proportional to 133,048.65, 199,627.65 and 48,849.15

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Solution

The fourth proportional to 133,048.65, 199,627.65 and 48,849.15 is: 73,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.65 : 199,627.65 = 48,849.15 : x
  2. Step 2: Convert to fraction form
    133,048.65/199,627.65 = 48,849.15/x
  3. Step 3: Cross multiply
    133,048.65x = 199,627.65 × 48,849.15
  4. Step 4: Simplify right side
    133,048.65x = 9,751,641,019.00
  5. Step 5: Solve for x
    x = 9,751,641,019.00/133,048.65
  6. Step 6: Final answer
    x = 73,293.80

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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.