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Finding the Fourth Proportional to 132,929.73, 183,480.98 and 75,599.96

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Solution

The fourth proportional to 132,929.73, 183,480.98 and 75,599.96 is: 104,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,929.73 : 183,480.98 = 75,599.96 : x
  2. Step 2: Convert to fraction form
    132,929.73/183,480.98 = 75,599.96/x
  3. Step 3: Cross multiply
    132,929.73x = 183,480.98 × 75,599.96
  4. Step 4: Simplify right side
    132,929.73x = 13,871,153,453.36
  5. Step 5: Solve for x
    x = 13,871,153,453.36/132,929.73
  6. Step 6: Final answer
    x = 104,349.52

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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.