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Finding the Fourth Proportional to 184,586.90, 254,729.90 and 99,703.96

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Solution

The fourth proportional to 184,586.90, 254,729.90 and 99,703.96 is: 137,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,586.90 : 254,729.90 = 99,703.96 : x
  2. Step 2: Convert to fraction form
    184,586.90/254,729.90 = 99,703.96/x
  3. Step 3: Cross multiply
    184,586.90x = 254,729.90 × 99,703.96
  4. Step 4: Simplify right side
    184,586.90x = 25,397,579,372.84
  5. Step 5: Solve for x
    x = 25,397,579,372.84/184,586.90
  6. Step 6: Final answer
    x = 137,591.45

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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.