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Finding the Fourth Proportional to 255,033.89, 382,551.47 and 121,883.86

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Solution

The fourth proportional to 255,033.89, 382,551.47 and 121,883.86 is: 182,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,033.89 : 382,551.47 = 121,883.86 : x
  2. Step 2: Convert to fraction form
    255,033.89/382,551.47 = 121,883.86/x
  3. Step 3: Cross multiply
    255,033.89x = 382,551.47 × 121,883.86
  4. Step 4: Simplify right side
    255,033.89x = 46,626,849,812.27
  5. Step 5: Solve for x
    x = 46,626,849,812.27/255,033.89
  6. Step 6: Final answer
    x = 182,826.09

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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.