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Finding the Fourth Proportional to 184,782.91, 255,000.72 and 99,899.97

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Solution

The fourth proportional to 184,782.91, 255,000.72 and 99,899.97 is: 137,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,782.91 : 255,000.72 = 99,899.97 : x
  2. Step 2: Convert to fraction form
    184,782.91/255,000.72 = 99,899.97/x
  3. Step 3: Cross multiply
    184,782.91x = 255,000.72 × 99,899.97
  4. Step 4: Simplify right side
    184,782.91x = 25,474,564,277.98
  5. Step 5: Solve for x
    x = 25,474,564,277.98/184,782.91
  6. Step 6: Final answer
    x = 137,862.12

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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.