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Finding the Fourth Proportional to 116,492.79, 174,628.44 and 74,254.29

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Solution

The fourth proportional to 116,492.79, 174,628.44 and 74,254.29 is: 111,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,492.79 : 174,628.44 = 74,254.29 : x
  2. Step 2: Convert to fraction form
    116,492.79/174,628.44 = 74,254.29/x
  3. Step 3: Cross multiply
    116,492.79x = 174,628.44 × 74,254.29
  4. Step 4: Simplify right side
    116,492.79x = 12,966,910,826.01
  5. Step 5: Solve for x
    x = 12,966,910,826.01/116,492.79
  6. Step 6: Final answer
    x = 111,310.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.