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Finding the Fourth Proportional to 132,958.51, 183,506.54 and 79,246.93

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Solution

The fourth proportional to 132,958.51, 183,506.54 and 79,246.93 is: 109,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,958.51 : 183,506.54 = 79,246.93 : x
  2. Step 2: Convert to fraction form
    132,958.51/183,506.54 = 79,246.93/x
  3. Step 3: Cross multiply
    132,958.51x = 183,506.54 × 79,246.93
  4. Step 4: Simplify right side
    132,958.51x = 14,542,330,157.99
  5. Step 5: Solve for x
    x = 14,542,330,157.99/132,958.51
  6. Step 6: Final answer
    x = 109,374.95

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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.