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Finding the Fourth Proportional to 122,956.81, 184,335.76 and 51,833.52

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Solution

The fourth proportional to 122,956.81, 184,335.76 and 51,833.52 is: 77,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,956.81 : 184,335.76 = 51,833.52 : x
  2. Step 2: Convert to fraction form
    122,956.81/184,335.76 = 51,833.52/x
  3. Step 3: Cross multiply
    122,956.81x = 184,335.76 × 51,833.52
  4. Step 4: Simplify right side
    122,956.81x = 9,554,771,302.68
  5. Step 5: Solve for x
    x = 9,554,771,302.68/122,956.81
  6. Step 6: Final answer
    x = 77,708.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.