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Finding the Fourth Proportional to 132,581.94, 183,025.63 and 84,862.95

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Solution

The fourth proportional to 132,581.94, 183,025.63 and 84,862.95 is: 117,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,581.94 : 183,025.63 = 84,862.95 : x
  2. Step 2: Convert to fraction form
    132,581.94/183,025.63 = 84,862.95/x
  3. Step 3: Cross multiply
    132,581.94x = 183,025.63 × 84,862.95
  4. Step 4: Simplify right side
    132,581.94x = 15,532,094,887.41
  5. Step 5: Solve for x
    x = 15,532,094,887.41/132,581.94
  6. Step 6: Final answer
    x = 117,150.91

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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.