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Finding the Fourth Proportional to 184,551.40, 254,676.72 and 112,931.20

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Solution

The fourth proportional to 184,551.40, 254,676.72 and 112,931.20 is: 155,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,551.40 : 254,676.72 = 112,931.20 : x
  2. Step 2: Convert to fraction form
    184,551.40/254,676.72 = 112,931.20/x
  3. Step 3: Cross multiply
    184,551.40x = 254,676.72 × 112,931.20
  4. Step 4: Simplify right side
    184,551.40x = 28,760,947,601.66
  5. Step 5: Solve for x
    x = 28,760,947,601.66/184,551.40
  6. Step 6: Final answer
    x = 155,842.48

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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.