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Finding the Fourth Proportional to 132,762.72, 199,182.96 and 39,270.96

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Solution

The fourth proportional to 132,762.72, 199,182.96 and 39,270.96 is: 58,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,762.72 : 199,182.96 = 39,270.96 : x
  2. Step 2: Convert to fraction form
    132,762.72/199,182.96 = 39,270.96/x
  3. Step 3: Cross multiply
    132,762.72x = 199,182.96 × 39,270.96
  4. Step 4: Simplify right side
    132,762.72x = 7,822,106,054.84
  5. Step 5: Solve for x
    x = 7,822,106,054.84/132,762.72
  6. Step 6: Final answer
    x = 58,917.94

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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.