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Finding the Fourth Proportional to 132,876, 183,368.88 and 73,260

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Solution

The fourth proportional to 132,876, 183,368.88 and 73,260 is: 101,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,876 : 183,368.88 = 73,260 : x
  2. Step 2: Convert to fraction form
    132,876/183,368.88 = 73,260/x
  3. Step 3: Cross multiply
    132,876x = 183,368.88 × 73,260
  4. Step 4: Simplify right side
    132,876x = 13,433,604,148.80
  5. Step 5: Solve for x
    x = 13,433,604,148.80/132,876
  6. Step 6: Final answer
    x = 101,098.80

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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.