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Finding the Fourth Proportional to 183,460.40, 275,190.60 and 161,809.10

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Solution

The fourth proportional to 183,460.40, 275,190.60 and 161,809.10 is: 242,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,460.40 : 275,190.60 = 161,809.10 : x
  2. Step 2: Convert to fraction form
    183,460.40/275,190.60 = 161,809.10/x
  3. Step 3: Cross multiply
    183,460.40x = 275,190.60 × 161,809.10
  4. Step 4: Simplify right side
    183,460.40x = 44,528,343,314.46
  5. Step 5: Solve for x
    x = 44,528,343,314.46/183,460.40
  6. Step 6: Final answer
    x = 242,713.65

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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.