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Finding the Fourth Proportional to 255,033.08, 351,944.64 and 141,855.84

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Solution

The fourth proportional to 255,033.08, 351,944.64 and 141,855.84 is: 195,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,033.08 : 351,944.64 = 141,855.84 : x
  2. Step 2: Convert to fraction form
    255,033.08/351,944.64 = 141,855.84/x
  3. Step 3: Cross multiply
    255,033.08x = 351,944.64 × 141,855.84
  4. Step 4: Simplify right side
    255,033.08x = 49,925,402,540.70
  5. Step 5: Solve for x
    x = 49,925,402,540.70/255,033.08
  6. Step 6: Final answer
    x = 195,760.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.