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Finding the Fourth Proportional to 132,706.88, 183,098.40 and 76,097.60

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Solution

The fourth proportional to 132,706.88, 183,098.40 and 76,097.60 is: 104,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,706.88 : 183,098.40 = 76,097.60 : x
  2. Step 2: Convert to fraction form
    132,706.88/183,098.40 = 76,097.60/x
  3. Step 3: Cross multiply
    132,706.88x = 183,098.40 × 76,097.60
  4. Step 4: Simplify right side
    132,706.88x = 13,933,348,803.84
  5. Step 5: Solve for x
    x = 13,933,348,803.84/132,706.88
  6. Step 6: Final answer
    x = 104,993.42

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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.