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Finding the Fourth Proportional to 255,798.74, 383,632.66 and 75,842.09

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Solution

The fourth proportional to 255,798.74, 383,632.66 and 75,842.09 is: 113,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,798.74 : 383,632.66 = 75,842.09 : x
  2. Step 2: Convert to fraction form
    255,798.74/383,632.66 = 75,842.09/x
  3. Step 3: Cross multiply
    255,798.74x = 383,632.66 × 75,842.09
  4. Step 4: Simplify right side
    255,798.74x = 29,095,502,555.23
  5. Step 5: Solve for x
    x = 29,095,502,555.23/255,798.74
  6. Step 6: Final answer
    x = 113,743.73

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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.