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Finding the Fourth Proportional to 184,773.66, 254,987.65 and 99,890.72

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Solution

The fourth proportional to 184,773.66, 254,987.65 and 99,890.72 is: 137,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,773.66 : 254,987.65 = 99,890.72 : x
  2. Step 2: Convert to fraction form
    184,773.66/254,987.65 = 99,890.72/x
  3. Step 3: Cross multiply
    184,773.66x = 254,987.65 × 99,890.72
  4. Step 4: Simplify right side
    184,773.66x = 25,470,899,193.85
  5. Step 5: Solve for x
    x = 25,470,899,193.85/184,773.66
  6. Step 6: Final answer
    x = 137,849.19

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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.