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Finding the Fourth Proportional to 184,551.64, 254,681.20 and 99,668.72

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Solution

The fourth proportional to 184,551.64, 254,681.20 and 99,668.72 is: 137,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,551.64 : 254,681.20 = 99,668.72 : x
  2. Step 2: Convert to fraction form
    184,551.64/254,681.20 = 99,668.72/x
  3. Step 3: Cross multiply
    184,551.64x = 254,681.20 × 99,668.72
  4. Step 4: Simplify right side
    184,551.64x = 25,383,749,212.06
  5. Step 5: Solve for x
    x = 25,383,749,212.06/184,551.64
  6. Step 6: Final answer
    x = 137,542.80

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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.