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Finding the Fourth Proportional to 183,426.40, 275,139.60 and 161,775.10

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Solution

The fourth proportional to 183,426.40, 275,139.60 and 161,775.10 is: 242,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,426.40 : 275,139.60 = 161,775.10 : x
  2. Step 2: Convert to fraction form
    183,426.40/275,139.60 = 161,775.10/x
  3. Step 3: Cross multiply
    183,426.40x = 275,139.60 × 161,775.10
  4. Step 4: Simplify right side
    183,426.40x = 44,510,736,303.96
  5. Step 5: Solve for x
    x = 44,510,736,303.96/183,426.40
  6. Step 6: Final answer
    x = 242,662.65

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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.