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Finding the Fourth Proportional to 183,979.20, 275,968.80 and 176,980.80

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Solution

The fourth proportional to 183,979.20, 275,968.80 and 176,980.80 is: 265,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,979.20 : 275,968.80 = 176,980.80 : x
  2. Step 2: Convert to fraction form
    183,979.20/275,968.80 = 176,980.80/x
  3. Step 3: Cross multiply
    183,979.20x = 275,968.80 × 176,980.80
  4. Step 4: Simplify right side
    183,979.20x = 48,841,178,999.04
  5. Step 5: Solve for x
    x = 48,841,178,999.04/183,979.20
  6. Step 6: Final answer
    x = 265,471.20

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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.