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Finding the Fourth Proportional to 177,376.80, 266,065.20 and 162,861.60

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Solution

The fourth proportional to 177,376.80, 266,065.20 and 162,861.60 is: 244,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,376.80 : 266,065.20 = 162,861.60 : x
  2. Step 2: Convert to fraction form
    177,376.80/266,065.20 = 162,861.60/x
  3. Step 3: Cross multiply
    177,376.80x = 266,065.20 × 162,861.60
  4. Step 4: Simplify right side
    177,376.80x = 43,331,804,176.32
  5. Step 5: Solve for x
    x = 43,331,804,176.32/177,376.80
  6. Step 6: Final answer
    x = 244,292.40

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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.