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Finding the Fourth Proportional to 177,830.70, 266,659.65 and 98,861.10

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Solution

The fourth proportional to 177,830.70, 266,659.65 and 98,861.10 is: 148,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,830.70 : 266,659.65 = 98,861.10 : x
  2. Step 2: Convert to fraction form
    177,830.70/266,659.65 = 98,861.10/x
  3. Step 3: Cross multiply
    177,830.70x = 266,659.65 × 98,861.10
  4. Step 4: Simplify right side
    177,830.70x = 26,362,266,324.62
  5. Step 5: Solve for x
    x = 26,362,266,324.62/177,830.70
  6. Step 6: Final answer
    x = 148,243.62

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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.