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Finding the Fourth Proportional to 255,494.52, 383,239.80 and 65,938.74

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Solution

The fourth proportional to 255,494.52, 383,239.80 and 65,938.74 is: 98,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,494.52 : 383,239.80 = 65,938.74 : x
  2. Step 2: Convert to fraction form
    255,494.52/383,239.80 = 65,938.74/x
  3. Step 3: Cross multiply
    255,494.52x = 383,239.80 × 65,938.74
  4. Step 4: Simplify right side
    255,494.52x = 25,270,349,529.85
  5. Step 5: Solve for x
    x = 25,270,349,529.85/255,494.52
  6. Step 6: Final answer
    x = 98,907.60

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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.